Home / 67,082.28-92,569.78-40,211.34

Finding the Fourth Proportional to 67,082.28, 92,569.78 and 40,211.34

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Solution

The fourth proportional to 67,082.28, 92,569.78 and 40,211.34 is: 55,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,082.28 : 92,569.78 = 40,211.34 : x
  2. Step 2: Convert to fraction form
    67,082.28/92,569.78 = 40,211.34/x
  3. Step 3: Cross multiply
    67,082.28x = 92,569.78 × 40,211.34
  4. Step 4: Simplify right side
    67,082.28x = 3,722,354,897.31
  5. Step 5: Solve for x
    x = 3,722,354,897.31/67,082.28
  6. Step 6: Final answer
    x = 55,489.39

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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.