Home / 87,926.60-121,343.83-49,685.17

Finding the Fourth Proportional to 87,926.60, 121,343.83 and 49,685.17

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Solution

The fourth proportional to 87,926.60, 121,343.83 and 49,685.17 is: 68,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926.60 : 121,343.83 = 49,685.17 : x
  2. Step 2: Convert to fraction form
    87,926.60/121,343.83 = 49,685.17/x
  3. Step 3: Cross multiply
    87,926.60x = 121,343.83 × 49,685.17
  4. Step 4: Simplify right side
    87,926.60x = 6,028,988,822.00
  5. Step 5: Solve for x
    x = 6,028,988,822.00/87,926.60
  6. Step 6: Final answer
    x = 68,568.43

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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.