Home / 67,190.52-92,734.29-38,913.42

Finding the Fourth Proportional to 67,190.52, 92,734.29 and 38,913.42

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Solution

The fourth proportional to 67,190.52, 92,734.29 and 38,913.42 is: 53,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,190.52 : 92,734.29 = 38,913.42 : x
  2. Step 2: Convert to fraction form
    67,190.52/92,734.29 = 38,913.42/x
  3. Step 3: Cross multiply
    67,190.52x = 92,734.29 × 38,913.42
  4. Step 4: Simplify right side
    67,190.52x = 3,608,608,375.17
  5. Step 5: Solve for x
    x = 3,608,608,375.17/67,190.52
  6. Step 6: Final answer
    x = 53,707.11

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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.