Home / 88,201.20-121,717.17-47,914.64

Finding the Fourth Proportional to 88,201.20, 121,717.17 and 47,914.64

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Solution

The fourth proportional to 88,201.20, 121,717.17 and 47,914.64 is: 66,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,201.20 : 121,717.17 = 47,914.64 : x
  2. Step 2: Convert to fraction form
    88,201.20/121,717.17 = 47,914.64/x
  3. Step 3: Cross multiply
    88,201.20x = 121,717.17 × 47,914.64
  4. Step 4: Simplify right side
    88,201.20x = 5,832,033,773.78
  5. Step 5: Solve for x
    x = 5,832,033,773.78/88,201.20
  6. Step 6: Final answer
    x = 66,121.93

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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.