Home / 96,345.55-144,432.21-75,169.92

Finding the Fourth Proportional to 96,345.55, 144,432.21 and 75,169.92

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Solution

The fourth proportional to 96,345.55, 144,432.21 and 75,169.92 is: 112,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,345.55 : 144,432.21 = 75,169.92 : x
  2. Step 2: Convert to fraction form
    96,345.55/144,432.21 = 75,169.92/x
  3. Step 3: Cross multiply
    96,345.55x = 144,432.21 × 75,169.92
  4. Step 4: Simplify right side
    96,345.55x = 10,856,958,494.63
  5. Step 5: Solve for x
    x = 10,856,958,494.63/96,345.55
  6. Step 6: Final answer
    x = 112,687.70

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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.