Home / 91,934.28-126,869.22-51,649.20

Finding the Fourth Proportional to 91,934.28, 126,869.22 and 51,649.20

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Solution

The fourth proportional to 91,934.28, 126,869.22 and 51,649.20 is: 71,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.28 : 126,869.22 = 51,649.20 : x
  2. Step 2: Convert to fraction form
    91,934.28/126,869.22 = 51,649.20/x
  3. Step 3: Cross multiply
    91,934.28x = 126,869.22 × 51,649.20
  4. Step 4: Simplify right side
    91,934.28x = 6,552,693,717.62
  5. Step 5: Solve for x
    x = 6,552,693,717.62/91,934.28
  6. Step 6: Final answer
    x = 71,275.85

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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.