Home / 61,742.19-85,196.07-39,041.13

Finding the Fourth Proportional to 61,742.19, 85,196.07 and 39,041.13

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Solution

The fourth proportional to 61,742.19, 85,196.07 and 39,041.13 is: 53,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.19 : 85,196.07 = 39,041.13 : x
  2. Step 2: Convert to fraction form
    61,742.19/85,196.07 = 39,041.13/x
  3. Step 3: Cross multiply
    61,742.19x = 85,196.07 × 39,041.13
  4. Step 4: Simplify right side
    61,742.19x = 3,326,150,990.76
  5. Step 5: Solve for x
    x = 3,326,150,990.76/61,742.19
  6. Step 6: Final answer
    x = 53,871.61

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Half scale
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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.