Home / 83,876.28-125,892.18-42,352.44

Finding the Fourth Proportional to 83,876.28, 125,892.18 and 42,352.44

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Solution

The fourth proportional to 83,876.28, 125,892.18 and 42,352.44 is: 63,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,876.28 : 125,892.18 = 42,352.44 : x
  2. Step 2: Convert to fraction form
    83,876.28/125,892.18 = 42,352.44/x
  3. Step 3: Cross multiply
    83,876.28x = 125,892.18 × 42,352.44
  4. Step 4: Simplify right side
    83,876.28x = 5,331,840,999.92
  5. Step 5: Solve for x
    x = 5,331,840,999.92/83,876.28
  6. Step 6: Final answer
    x = 63,567.92

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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.