Home / 42,663.90-63,909.45-29,531.10

Finding the Fourth Proportional to 42,663.90, 63,909.45 and 29,531.10

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Solution

The fourth proportional to 42,663.90, 63,909.45 and 29,531.10 is: 44,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.90 : 63,909.45 = 29,531.10 : x
  2. Step 2: Convert to fraction form
    42,663.90/63,909.45 = 29,531.10/x
  3. Step 3: Cross multiply
    42,663.90x = 63,909.45 × 29,531.10
  4. Step 4: Simplify right side
    42,663.90x = 1,887,316,358.90
  5. Step 5: Solve for x
    x = 1,887,316,358.90/42,663.90
  6. Step 6: Final answer
    x = 44,236.85

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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.