Home / 83,120.28-114,705.38-45,394.52

Finding the Fourth Proportional to 83,120.28, 114,705.38 and 45,394.52

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Solution

The fourth proportional to 83,120.28, 114,705.38 and 45,394.52 is: 62,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,120.28 : 114,705.38 = 45,394.52 : x
  2. Step 2: Convert to fraction form
    83,120.28/114,705.38 = 45,394.52/x
  3. Step 3: Cross multiply
    83,120.28x = 114,705.38 × 45,394.52
  4. Step 4: Simplify right side
    83,120.28x = 5,206,995,666.52
  5. Step 5: Solve for x
    x = 5,206,995,666.52/83,120.28
  6. Step 6: Final answer
    x = 62,644.11

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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.