Home / 83,731.26-115,551.27-45,490.43

Finding the Fourth Proportional to 83,731.26, 115,551.27 and 45,490.43

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Solution

The fourth proportional to 83,731.26, 115,551.27 and 45,490.43 is: 62,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,731.26 : 115,551.27 = 45,490.43 : x
  2. Step 2: Convert to fraction form
    83,731.26/115,551.27 = 45,490.43/x
  3. Step 3: Cross multiply
    83,731.26x = 115,551.27 × 45,490.43
  4. Step 4: Simplify right side
    83,731.26x = 5,256,476,959.35
  5. Step 5: Solve for x
    x = 5,256,476,959.35/83,731.26
  6. Step 6: Final answer
    x = 62,777.95

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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.