Home / 91,711.52-126,560.40-51,425.24

Finding the Fourth Proportional to 91,711.52, 126,560.40 and 51,425.24

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Solution

The fourth proportional to 91,711.52, 126,560.40 and 51,425.24 is: 70,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,711.52 : 126,560.40 = 51,425.24 : x
  2. Step 2: Convert to fraction form
    91,711.52/126,560.40 = 51,425.24/x
  3. Step 3: Cross multiply
    91,711.52x = 126,560.40 × 51,425.24
  4. Step 4: Simplify right side
    91,711.52x = 6,508,398,944.50
  5. Step 5: Solve for x
    x = 6,508,398,944.50/91,711.52
  6. Step 6: Final answer
    x = 70,965.99

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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.