Home / 87,849.30-121,222.73-49,606.53

Finding the Fourth Proportional to 87,849.30, 121,222.73 and 49,606.53

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Solution

The fourth proportional to 87,849.30, 121,222.73 and 49,606.53 is: 68,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.30 : 121,222.73 = 49,606.53 : x
  2. Step 2: Convert to fraction form
    87,849.30/121,222.73 = 49,606.53/x
  3. Step 3: Cross multiply
    87,849.30x = 121,222.73 × 49,606.53
  4. Step 4: Simplify right side
    87,849.30x = 6,013,438,262.30
  5. Step 5: Solve for x
    x = 6,013,438,262.30/87,849.30
  6. Step 6: Final answer
    x = 68,451.75

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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.