Home / 63,939.40-95,909.10-57,718.60

Finding the Fourth Proportional to 63,939.40, 95,909.10 and 57,718.60

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Solution

The fourth proportional to 63,939.40, 95,909.10 and 57,718.60 is: 86,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.40 : 95,909.10 = 57,718.60 : x
  2. Step 2: Convert to fraction form
    63,939.40/95,909.10 = 57,718.60/x
  3. Step 3: Cross multiply
    63,939.40x = 95,909.10 × 57,718.60
  4. Step 4: Simplify right side
    63,939.40x = 5,535,738,979.26
  5. Step 5: Solve for x
    x = 5,535,738,979.26/63,939.40
  6. Step 6: Final answer
    x = 86,577.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.