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Finding the Fourth Proportional to 88,589.34, 132,939.35 and 35,998.80

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Solution

The fourth proportional to 88,589.34, 132,939.35 and 35,998.80 is: 54,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,589.34 : 132,939.35 = 35,998.80 : x
  2. Step 2: Convert to fraction form
    88,589.34/132,939.35 = 35,998.80/x
  3. Step 3: Cross multiply
    88,589.34x = 132,939.35 × 35,998.80
  4. Step 4: Simplify right side
    88,589.34x = 4,785,656,892.79
  5. Step 5: Solve for x
    x = 4,785,656,892.79/88,589.34
  6. Step 6: Final answer
    x = 54,020.69

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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.