Home / 63,152.28-87,156.54-54,229.32

Finding the Fourth Proportional to 63,152.28, 87,156.54 and 54,229.32

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Solution

The fourth proportional to 63,152.28, 87,156.54 and 54,229.32 is: 74,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,152.28 : 87,156.54 = 54,229.32 : x
  2. Step 2: Convert to fraction form
    63,152.28/87,156.54 = 54,229.32/x
  3. Step 3: Cross multiply
    63,152.28x = 87,156.54 × 54,229.32
  4. Step 4: Simplify right side
    63,152.28x = 4,726,439,897.75
  5. Step 5: Solve for x
    x = 4,726,439,897.75/63,152.28
  6. Step 6: Final answer
    x = 74,841.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.