Home / 67,077.26-100,484.42-38,938.31

Finding the Fourth Proportional to 67,077.26, 100,484.42 and 38,938.31

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Solution

The fourth proportional to 67,077.26, 100,484.42 and 38,938.31 is: 58,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,077.26 : 100,484.42 = 38,938.31 : x
  2. Step 2: Convert to fraction form
    67,077.26/100,484.42 = 38,938.31/x
  3. Step 3: Cross multiply
    67,077.26x = 100,484.42 × 38,938.31
  4. Step 4: Simplify right side
    67,077.26x = 3,912,692,799.02
  5. Step 5: Solve for x
    x = 3,912,692,799.02/67,077.26
  6. Step 6: Final answer
    x = 58,331.14

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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.