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Finding the Fourth Proportional to 64,545.96, 89,069.04 and 36,251.04

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Solution

The fourth proportional to 64,545.96, 89,069.04 and 36,251.04 is: 50,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,545.96 : 89,069.04 = 36,251.04 : x
  2. Step 2: Convert to fraction form
    64,545.96/89,069.04 = 36,251.04/x
  3. Step 3: Cross multiply
    64,545.96x = 89,069.04 × 36,251.04
  4. Step 4: Simplify right side
    64,545.96x = 3,228,845,331.80
  5. Step 5: Solve for x
    x = 3,228,845,331.80/64,545.96
  6. Step 6: Final answer
    x = 50,023.97

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1.5x scale

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.