Home / 67,191.39-92,734.33-40,348.70

Finding the Fourth Proportional to 67,191.39, 92,734.33 and 40,348.70

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Solution

The fourth proportional to 67,191.39, 92,734.33 and 40,348.70 is: 55,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,191.39 : 92,734.33 = 40,348.70 : x
  2. Step 2: Convert to fraction form
    67,191.39/92,734.33 = 40,348.70/x
  3. Step 3: Cross multiply
    67,191.39x = 92,734.33 × 40,348.70
  4. Step 4: Simplify right side
    67,191.39x = 3,741,709,943.14
  5. Step 5: Solve for x
    x = 3,741,709,943.14/67,191.39
  6. Step 6: Final answer
    x = 55,687.34

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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.