Home / 63,414.39-87,428.88-54,557.04

Finding the Fourth Proportional to 63,414.39, 87,428.88 and 54,557.04

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Solution

The fourth proportional to 63,414.39, 87,428.88 and 54,557.04 is: 75,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,414.39 : 87,428.88 = 54,557.04 : x
  2. Step 2: Convert to fraction form
    63,414.39/87,428.88 = 54,557.04/x
  3. Step 3: Cross multiply
    63,414.39x = 87,428.88 × 54,557.04
  4. Step 4: Simplify right side
    63,414.39x = 4,769,860,903.32
  5. Step 5: Solve for x
    x = 4,769,860,903.32/63,414.39
  6. Step 6: Final answer
    x = 75,217.33

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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.