Home / 67,742.60-93,465.68-39,060

Finding the Fourth Proportional to 67,742.60, 93,465.68 and 39,060

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Solution

The fourth proportional to 67,742.60, 93,465.68 and 39,060 is: 53,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,742.60 : 93,465.68 = 39,060 : x
  2. Step 2: Convert to fraction form
    67,742.60/93,465.68 = 39,060/x
  3. Step 3: Cross multiply
    67,742.60x = 93,465.68 × 39,060
  4. Step 4: Simplify right side
    67,742.60x = 3,650,769,265.50
  5. Step 5: Solve for x
    x = 3,650,769,265.50/67,742.60
  6. Step 6: Final answer
    x = 53,891.78

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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.