Home / 67,672.20-93,390.85-38,996.15

Finding the Fourth Proportional to 67,672.20, 93,390.85 and 38,996.15

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Solution

The fourth proportional to 67,672.20, 93,390.85 and 38,996.15 is: 53,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,672.20 : 93,390.85 = 38,996.15 : x
  2. Step 2: Convert to fraction form
    67,672.20/93,390.85 = 38,996.15/x
  3. Step 3: Cross multiply
    67,672.20x = 93,390.85 × 38,996.15
  4. Step 4: Simplify right side
    67,672.20x = 3,641,883,177.02
  5. Step 5: Solve for x
    x = 3,641,883,177.02/67,672.20
  6. Step 6: Final answer
    x = 53,816.53

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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.