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Finding the Fourth Proportional to 88,800.64, 133,222.52 and 29,640.76

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Solution

The fourth proportional to 88,800.64, 133,222.52 and 29,640.76 is: 44,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,800.64 : 133,222.52 = 29,640.76 : x
  2. Step 2: Convert to fraction form
    88,800.64/133,222.52 = 29,640.76/x
  3. Step 3: Cross multiply
    88,800.64x = 133,222.52 × 29,640.76
  4. Step 4: Simplify right side
    88,800.64x = 3,948,816,741.92
  5. Step 5: Solve for x
    x = 3,948,816,741.92/88,800.64
  6. Step 6: Final answer
    x = 44,468.34

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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.