Home / 83,278.17-114,926.61-45,552.39

Finding the Fourth Proportional to 83,278.17, 114,926.61 and 45,552.39

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Solution

The fourth proportional to 83,278.17, 114,926.61 and 45,552.39 is: 62,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,278.17 : 114,926.61 = 45,552.39 : x
  2. Step 2: Convert to fraction form
    83,278.17/114,926.61 = 45,552.39/x
  3. Step 3: Cross multiply
    83,278.17x = 114,926.61 × 45,552.39
  4. Step 4: Simplify right side
    83,278.17x = 5,235,181,760.10
  5. Step 5: Solve for x
    x = 5,235,181,760.10/83,278.17
  6. Step 6: Final answer
    x = 62,863.79

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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.