Home / 61,206.65-84,443.52-39,998.21

Finding the Fourth Proportional to 61,206.65, 84,443.52 and 39,998.21

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Solution

The fourth proportional to 61,206.65, 84,443.52 and 39,998.21 is: 55,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,206.65 : 84,443.52 = 39,998.21 : x
  2. Step 2: Convert to fraction form
    61,206.65/84,443.52 = 39,998.21/x
  3. Step 3: Cross multiply
    61,206.65x = 84,443.52 × 39,998.21
  4. Step 4: Simplify right side
    61,206.65x = 3,377,589,646.10
  5. Step 5: Solve for x
    x = 3,377,589,646.10/61,206.65
  6. Step 6: Final answer
    x = 55,183.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 61,207.65, 84,444.90 and 39,999.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.