Home / 91,856.66-126,753.42-51,561.18

Finding the Fourth Proportional to 91,856.66, 126,753.42 and 51,561.18

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Solution

The fourth proportional to 91,856.66, 126,753.42 and 51,561.18 is: 71,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.66 : 126,753.42 = 51,561.18 : x
  2. Step 2: Convert to fraction form
    91,856.66/126,753.42 = 51,561.18/x
  3. Step 3: Cross multiply
    91,856.66x = 126,753.42 × 51,561.18
  4. Step 4: Simplify right side
    91,856.66x = 6,535,555,904.24
  5. Step 5: Solve for x
    x = 6,535,555,904.24/91,856.66
  6. Step 6: Final answer
    x = 71,149.51

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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.