Home / 92,534.20-138,780.52-42,566.30

Finding the Fourth Proportional to 92,534.20, 138,780.52 and 42,566.30

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Solution

The fourth proportional to 92,534.20, 138,780.52 and 42,566.30 is: 63,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,534.20 : 138,780.52 = 42,566.30 : x
  2. Step 2: Convert to fraction form
    92,534.20/138,780.52 = 42,566.30/x
  3. Step 3: Cross multiply
    92,534.20x = 138,780.52 × 42,566.30
  4. Step 4: Simplify right side
    92,534.20x = 5,907,373,248.48
  5. Step 5: Solve for x
    x = 5,907,373,248.48/92,534.20
  6. Step 6: Final answer
    x = 63,839.89

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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.