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Finding the Fourth Proportional to 85,553.87, 128,348.88 and 32,244.72

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Solution

The fourth proportional to 85,553.87, 128,348.88 and 32,244.72 is: 48,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,553.87 : 128,348.88 = 32,244.72 : x
  2. Step 2: Convert to fraction form
    85,553.87/128,348.88 = 32,244.72/x
  3. Step 3: Cross multiply
    85,553.87x = 128,348.88 × 32,244.72
  4. Step 4: Simplify right side
    85,553.87x = 4,138,573,697.91
  5. Step 5: Solve for x
    x = 4,138,573,697.91/85,553.87
  6. Step 6: Final answer
    x = 48,373.89

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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.