Home / 72,932.97-109,337.06-27,986.58

Finding the Fourth Proportional to 72,932.97, 109,337.06 and 27,986.58

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Solution

The fourth proportional to 72,932.97, 109,337.06 and 27,986.58 is: 41,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.97 : 109,337.06 = 27,986.58 : x
  2. Step 2: Convert to fraction form
    72,932.97/109,337.06 = 27,986.58/x
  3. Step 3: Cross multiply
    72,932.97x = 109,337.06 × 27,986.58
  4. Step 4: Simplify right side
    72,932.97x = 3,059,970,376.65
  5. Step 5: Solve for x
    x = 3,059,970,376.65/72,932.97
  6. Step 6: Final answer
    x = 41,955.93

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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.