Home / 67,326.08-100,711.54-55,344.92

Finding the Fourth Proportional to 67,326.08, 100,711.54 and 55,344.92

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Solution

The fourth proportional to 67,326.08, 100,711.54 and 55,344.92 is: 82,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,326.08 : 100,711.54 = 55,344.92 : x
  2. Step 2: Convert to fraction form
    67,326.08/100,711.54 = 55,344.92/x
  3. Step 3: Cross multiply
    67,326.08x = 100,711.54 × 55,344.92
  4. Step 4: Simplify right side
    67,326.08x = 5,573,872,124.38
  5. Step 5: Solve for x
    x = 5,573,872,124.38/67,326.08
  6. Step 6: Final answer
    x = 82,789.20

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1.5x scale

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.