Home / 87,935.60-121,350.94-47,650.46

Finding the Fourth Proportional to 87,935.60, 121,350.94 and 47,650.46

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Solution

The fourth proportional to 87,935.60, 121,350.94 and 47,650.46 is: 65,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.60 : 121,350.94 = 47,650.46 : x
  2. Step 2: Convert to fraction form
    87,935.60/121,350.94 = 47,650.46/x
  3. Step 3: Cross multiply
    87,935.60x = 121,350.94 × 47,650.46
  4. Step 4: Simplify right side
    87,935.60x = 5,782,428,112.43
  5. Step 5: Solve for x
    x = 5,782,428,112.43/87,935.60
  6. Step 6: Final answer
    x = 65,757.53

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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.