Home / 67,098.80-92,582.52-40,234.16

Finding the Fourth Proportional to 67,098.80, 92,582.52 and 40,234.16

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Solution

The fourth proportional to 67,098.80, 92,582.52 and 40,234.16 is: 55,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,098.80 : 92,582.52 = 40,234.16 : x
  2. Step 2: Convert to fraction form
    67,098.80/92,582.52 = 40,234.16/x
  3. Step 3: Cross multiply
    67,098.80x = 92,582.52 × 40,234.16
  4. Step 4: Simplify right side
    67,098.80x = 3,724,979,922.88
  5. Step 5: Solve for x
    x = 3,724,979,922.88/67,098.80
  6. Step 6: Final answer
    x = 55,514.85

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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.