Home / 99,582.60-137,379.54-67,306.92

Finding the Fourth Proportional to 99,582.60, 137,379.54 and 67,306.92

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Solution

The fourth proportional to 99,582.60, 137,379.54 and 67,306.92 is: 92,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,582.60 : 137,379.54 = 67,306.92 : x
  2. Step 2: Convert to fraction form
    99,582.60/137,379.54 = 67,306.92/x
  3. Step 3: Cross multiply
    99,582.60x = 137,379.54 × 67,306.92
  4. Step 4: Simplify right side
    99,582.60x = 9,246,593,708.42
  5. Step 5: Solve for x
    x = 9,246,593,708.42/99,582.60
  6. Step 6: Final answer
    x = 92,853.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.