Home / 96,499.87-144,589.76-68,280.05

Finding the Fourth Proportional to 96,499.87, 144,589.76 and 68,280.05

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Solution

The fourth proportional to 96,499.87, 144,589.76 and 68,280.05 is: 102,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,499.87 : 144,589.76 = 68,280.05 : x
  2. Step 2: Convert to fraction form
    96,499.87/144,589.76 = 68,280.05/x
  3. Step 3: Cross multiply
    96,499.87x = 144,589.76 × 68,280.05
  4. Step 4: Simplify right side
    96,499.87x = 9,872,596,042.29
  5. Step 5: Solve for x
    x = 9,872,596,042.29/96,499.87
  6. Step 6: Final answer
    x = 102,306.83

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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.