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Finding the Fourth Proportional to 88,737.20, 133,073.40 and 29,574.80

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Solution

The fourth proportional to 88,737.20, 133,073.40 and 29,574.80 is: 44,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,737.20 : 133,073.40 = 29,574.80 : x
  2. Step 2: Convert to fraction form
    88,737.20/133,073.40 = 29,574.80/x
  3. Step 3: Cross multiply
    88,737.20x = 133,073.40 × 29,574.80
  4. Step 4: Simplify right side
    88,737.20x = 3,935,619,190.32
  5. Step 5: Solve for x
    x = 3,935,619,190.32/88,737.20
  6. Step 6: Final answer
    x = 44,351.40

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1.5x scale

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.