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Finding the Fourth Proportional to 89,337.57, 134,006.22 and 69,630.90

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Solution

The fourth proportional to 89,337.57, 134,006.22 and 69,630.90 is: 104,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,337.57 : 134,006.22 = 69,630.90 : x
  2. Step 2: Convert to fraction form
    89,337.57/134,006.22 = 69,630.90/x
  3. Step 3: Cross multiply
    89,337.57x = 134,006.22 × 69,630.90
  4. Step 4: Simplify right side
    89,337.57x = 9,330,973,704.20
  5. Step 5: Solve for x
    x = 9,330,973,704.20/89,337.57
  6. Step 6: Final answer
    x = 104,446.24

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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.