Home / 67,691.50-101,535.18-32,178.40

Finding the Fourth Proportional to 67,691.50, 101,535.18 and 32,178.40

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Solution

The fourth proportional to 67,691.50, 101,535.18 and 32,178.40 is: 48,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,691.50 : 101,535.18 = 32,178.40 : x
  2. Step 2: Convert to fraction form
    67,691.50/101,535.18 = 32,178.40/x
  3. Step 3: Cross multiply
    67,691.50x = 101,535.18 × 32,178.40
  4. Step 4: Simplify right side
    67,691.50x = 3,267,239,636.11
  5. Step 5: Solve for x
    x = 3,267,239,636.11/67,691.50
  6. Step 6: Final answer
    x = 48,266.62

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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.