Home / 90,899.28-125,406.18-67,082.76

Finding the Fourth Proportional to 90,899.28, 125,406.18 and 67,082.76

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Solution

The fourth proportional to 90,899.28, 125,406.18 and 67,082.76 is: 92,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,899.28 : 125,406.18 = 67,082.76 : x
  2. Step 2: Convert to fraction form
    90,899.28/125,406.18 = 67,082.76/x
  3. Step 3: Cross multiply
    90,899.28x = 125,406.18 × 67,082.76
  4. Step 4: Simplify right side
    90,899.28x = 8,412,592,675.46
  5. Step 5: Solve for x
    x = 8,412,592,675.46/90,899.28
  6. Step 6: Final answer
    x = 92,548.51

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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.