Home / 67,758.04-101,618.70-28,306.90

Finding the Fourth Proportional to 67,758.04, 101,618.70 and 28,306.90

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Solution

The fourth proportional to 67,758.04, 101,618.70 and 28,306.90 is: 42,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,758.04 : 101,618.70 = 28,306.90 : x
  2. Step 2: Convert to fraction form
    67,758.04/101,618.70 = 28,306.90/x
  3. Step 3: Cross multiply
    67,758.04x = 101,618.70 × 28,306.90
  4. Step 4: Simplify right side
    67,758.04x = 2,876,510,379.03
  5. Step 5: Solve for x
    x = 2,876,510,379.03/67,758.04
  6. Step 6: Final answer
    x = 42,452.68

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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.