Home / 67,327.08-100,713.04-55,345.92

Finding the Fourth Proportional to 67,327.08, 100,713.04 and 55,345.92

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Solution

The fourth proportional to 67,327.08, 100,713.04 and 55,345.92 is: 82,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,327.08 : 100,713.04 = 55,345.92 : x
  2. Step 2: Convert to fraction form
    67,327.08/100,713.04 = 55,345.92/x
  3. Step 3: Cross multiply
    67,327.08x = 100,713.04 × 55,345.92
  4. Step 4: Simplify right side
    67,327.08x = 5,574,055,854.80
  5. Step 5: Solve for x
    x = 5,574,055,854.80/67,327.08
  6. Step 6: Final answer
    x = 82,790.70

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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.