Home / 67,177.32-92,704.68-38,882.40

Finding the Fourth Proportional to 67,177.32, 92,704.68 and 38,882.40

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Solution

The fourth proportional to 67,177.32, 92,704.68 and 38,882.40 is: 53,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,177.32 : 92,704.68 = 38,882.40 : x
  2. Step 2: Convert to fraction form
    67,177.32/92,704.68 = 38,882.40/x
  3. Step 3: Cross multiply
    67,177.32x = 92,704.68 × 38,882.40
  4. Step 4: Simplify right side
    67,177.32x = 3,604,580,449.63
  5. Step 5: Solve for x
    x = 3,604,580,449.63/67,177.32
  6. Step 6: Final answer
    x = 53,657.70

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1.5x scale

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.