Home / 83,238.45-124,864.54-27,077.28

Finding the Fourth Proportional to 83,238.45, 124,864.54 and 27,077.28

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Solution

The fourth proportional to 83,238.45, 124,864.54 and 27,077.28 is: 40,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,238.45 : 124,864.54 = 27,077.28 : x
  2. Step 2: Convert to fraction form
    83,238.45/124,864.54 = 27,077.28/x
  3. Step 3: Cross multiply
    83,238.45x = 124,864.54 × 27,077.28
  4. Step 4: Simplify right side
    83,238.45x = 3,380,992,111.65
  5. Step 5: Solve for x
    x = 3,380,992,111.65/83,238.45
  6. Step 6: Final answer
    x = 40,618.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.