Home / 67,191.12-92,722.32-36,974.88

Finding the Fourth Proportional to 67,191.12, 92,722.32 and 36,974.88

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Solution

The fourth proportional to 67,191.12, 92,722.32 and 36,974.88 is: 51,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,191.12 : 92,722.32 = 36,974.88 : x
  2. Step 2: Convert to fraction form
    67,191.12/92,722.32 = 36,974.88/x
  3. Step 3: Cross multiply
    67,191.12x = 92,722.32 × 36,974.88
  4. Step 4: Simplify right side
    67,191.12x = 3,428,396,655.32
  5. Step 5: Solve for x
    x = 3,428,396,655.32/67,191.12
  6. Step 6: Final answer
    x = 51,024.55

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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.