Home / 42,132.20-63,177.12-14,042.41

Finding the Fourth Proportional to 42,132.20, 63,177.12 and 14,042.41

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Solution

The fourth proportional to 42,132.20, 63,177.12 and 14,042.41 is: 21,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.20 : 63,177.12 = 14,042.41 : x
  2. Step 2: Convert to fraction form
    42,132.20/63,177.12 = 14,042.41/x
  3. Step 3: Cross multiply
    42,132.20x = 63,177.12 × 14,042.41
  4. Step 4: Simplify right side
    42,132.20x = 887,158,705.77
  5. Step 5: Solve for x
    x = 887,158,705.77/42,132.20
  6. Step 6: Final answer
    x = 21,056.55

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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.