Home / 87,262.44-120,418.02-49,531.56

Finding the Fourth Proportional to 87,262.44, 120,418.02 and 49,531.56

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Solution

The fourth proportional to 87,262.44, 120,418.02 and 49,531.56 is: 68,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.44 : 120,418.02 = 49,531.56 : x
  2. Step 2: Convert to fraction form
    87,262.44/120,418.02 = 49,531.56/x
  3. Step 3: Cross multiply
    87,262.44x = 120,418.02 × 49,531.56
  4. Step 4: Simplify right side
    87,262.44x = 5,964,492,382.71
  5. Step 5: Solve for x
    x = 5,964,492,382.71/87,262.44
  6. Step 6: Final answer
    x = 68,351.20

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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.