Home / 87,850.30-121,224.11-49,607.53

Finding the Fourth Proportional to 87,850.30, 121,224.11 and 49,607.53

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Solution

The fourth proportional to 87,850.30, 121,224.11 and 49,607.53 is: 68,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.30 : 121,224.11 = 49,607.53 : x
  2. Step 2: Convert to fraction form
    87,850.30/121,224.11 = 49,607.53/x
  3. Step 3: Cross multiply
    87,850.30x = 121,224.11 × 49,607.53
  4. Step 4: Simplify right side
    87,850.30x = 6,013,628,673.55
  5. Step 5: Solve for x
    x = 6,013,628,673.55/87,850.30
  6. Step 6: Final answer
    x = 68,453.14

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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.