Home / 61,191.09-84,464.78-38,568.20

Finding the Fourth Proportional to 61,191.09, 84,464.78 and 38,568.20

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Solution

The fourth proportional to 61,191.09, 84,464.78 and 38,568.20 is: 53,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191.09 : 84,464.78 = 38,568.20 : x
  2. Step 2: Convert to fraction form
    61,191.09/84,464.78 = 38,568.20/x
  3. Step 3: Cross multiply
    61,191.09x = 84,464.78 × 38,568.20
  4. Step 4: Simplify right side
    61,191.09x = 3,257,653,912.83
  5. Step 5: Solve for x
    x = 3,257,653,912.83/61,191.09
  6. Step 6: Final answer
    x = 53,237.39

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Double scale
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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.