Home / 67,845.20-102,288.42-63,271.53

Finding the Fourth Proportional to 67,845.20, 102,288.42 and 63,271.53

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Solution

The fourth proportional to 67,845.20, 102,288.42 and 63,271.53 is: 95,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.20 : 102,288.42 = 63,271.53 : x
  2. Step 2: Convert to fraction form
    67,845.20/102,288.42 = 63,271.53/x
  3. Step 3: Cross multiply
    67,845.20x = 102,288.42 × 63,271.53
  4. Step 4: Simplify right side
    67,845.20x = 6,471,944,834.68
  5. Step 5: Solve for x
    x = 6,471,944,834.68/67,845.20
  6. Step 6: Final answer
    x = 95,392.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.