Home / 91,849.92-126,752.82-51,563.76

Finding the Fourth Proportional to 91,849.92, 126,752.82 and 51,563.76

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Solution

The fourth proportional to 91,849.92, 126,752.82 and 51,563.76 is: 71,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,849.92 : 126,752.82 = 51,563.76 : x
  2. Step 2: Convert to fraction form
    91,849.92/126,752.82 = 51,563.76/x
  3. Step 3: Cross multiply
    91,849.92x = 126,752.82 × 51,563.76
  4. Step 4: Simplify right side
    91,849.92x = 6,535,851,989.80
  5. Step 5: Solve for x
    x = 6,535,851,989.80/91,849.92
  6. Step 6: Final answer
    x = 71,157.95

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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.