Home / 86,244.92-129,367.38-39,358.52

Finding the Fourth Proportional to 86,244.92, 129,367.38 and 39,358.52

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Solution

The fourth proportional to 86,244.92, 129,367.38 and 39,358.52 is: 59,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244.92 : 129,367.38 = 39,358.52 : x
  2. Step 2: Convert to fraction form
    86,244.92/129,367.38 = 39,358.52/x
  3. Step 3: Cross multiply
    86,244.92x = 129,367.38 × 39,358.52
  4. Step 4: Simplify right side
    86,244.92x = 5,091,708,613.08
  5. Step 5: Solve for x
    x = 5,091,708,613.08/86,244.92
  6. Step 6: Final answer
    x = 59,037.78

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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.