Home / 87,228.84-120,382.02-49,505.52

Finding the Fourth Proportional to 87,228.84, 120,382.02 and 49,505.52

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Solution

The fourth proportional to 87,228.84, 120,382.02 and 49,505.52 is: 68,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,228.84 : 120,382.02 = 49,505.52 : x
  2. Step 2: Convert to fraction form
    87,228.84/120,382.02 = 49,505.52/x
  3. Step 3: Cross multiply
    87,228.84x = 120,382.02 × 49,505.52
  4. Step 4: Simplify right side
    87,228.84x = 5,959,574,498.75
  5. Step 5: Solve for x
    x = 5,959,574,498.75/87,228.84
  6. Step 6: Final answer
    x = 68,321.15

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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.