Home / 95,329.92-142,565.28-72,847.20

Finding the Fourth Proportional to 95,329.92, 142,565.28 and 72,847.20

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Solution

The fourth proportional to 95,329.92, 142,565.28 and 72,847.20 is: 108,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,329.92 : 142,565.28 = 72,847.20 : x
  2. Step 2: Convert to fraction form
    95,329.92/142,565.28 = 72,847.20/x
  3. Step 3: Cross multiply
    95,329.92x = 142,565.28 × 72,847.20
  4. Step 4: Simplify right side
    95,329.92x = 10,385,481,465.22
  5. Step 5: Solve for x
    x = 10,385,481,465.22/95,329.92
  6. Step 6: Final answer
    x = 108,942.52

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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.