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Finding the Fourth Proportional to 88,000.10, 132,000.15 and 43,609.70

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Solution

The fourth proportional to 88,000.10, 132,000.15 and 43,609.70 is: 65,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.10 : 132,000.15 = 43,609.70 : x
  2. Step 2: Convert to fraction form
    88,000.10/132,000.15 = 43,609.70/x
  3. Step 3: Cross multiply
    88,000.10x = 132,000.15 × 43,609.70
  4. Step 4: Simplify right side
    88,000.10x = 5,756,486,941.46
  5. Step 5: Solve for x
    x = 5,756,486,941.46/88,000.10
  6. Step 6: Final answer
    x = 65,414.55

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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.