Home / 87,914.41-121,314.66-49,677.28

Finding the Fourth Proportional to 87,914.41, 121,314.66 and 49,677.28

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Solution

The fourth proportional to 87,914.41, 121,314.66 and 49,677.28 is: 68,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,914.41 : 121,314.66 = 49,677.28 : x
  2. Step 2: Convert to fraction form
    87,914.41/121,314.66 = 49,677.28/x
  3. Step 3: Cross multiply
    87,914.41x = 121,314.66 × 49,677.28
  4. Step 4: Simplify right side
    87,914.41x = 6,026,582,332.92
  5. Step 5: Solve for x
    x = 6,026,582,332.92/87,914.41
  6. Step 6: Final answer
    x = 68,550.56

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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.