Home / 87,860.48-121,245.22-49,098.63

Finding the Fourth Proportional to 87,860.48, 121,245.22 and 49,098.63

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Solution

The fourth proportional to 87,860.48, 121,245.22 and 49,098.63 is: 67,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860.48 : 121,245.22 = 49,098.63 : x
  2. Step 2: Convert to fraction form
    87,860.48/121,245.22 = 49,098.63/x
  3. Step 3: Cross multiply
    87,860.48x = 121,245.22 × 49,098.63
  4. Step 4: Simplify right side
    87,860.48x = 5,952,974,196.05
  5. Step 5: Solve for x
    x = 5,952,974,196.05/87,860.48
  6. Step 6: Final answer
    x = 67,754.86

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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.