Home / 60,489.13-90,556.26-42,414.68

Finding the Fourth Proportional to 60,489.13, 90,556.26 and 42,414.68

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Solution

The fourth proportional to 60,489.13, 90,556.26 and 42,414.68 is: 63,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489.13 : 90,556.26 = 42,414.68 : x
  2. Step 2: Convert to fraction form
    60,489.13/90,556.26 = 42,414.68/x
  3. Step 3: Cross multiply
    60,489.13x = 90,556.26 × 42,414.68
  4. Step 4: Simplify right side
    60,489.13x = 3,840,915,016.29
  5. Step 5: Solve for x
    x = 3,840,915,016.29/60,489.13
  6. Step 6: Final answer
    x = 63,497.61

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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.