Home / 54,170.91-74,754.50-29,972.79

Finding the Fourth Proportional to 54,170.91, 74,754.50 and 29,972.79

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Solution

The fourth proportional to 54,170.91, 74,754.50 and 29,972.79 is: 41,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,170.91 : 74,754.50 = 29,972.79 : x
  2. Step 2: Convert to fraction form
    54,170.91/74,754.50 = 29,972.79/x
  3. Step 3: Cross multiply
    54,170.91x = 74,754.50 × 29,972.79
  4. Step 4: Simplify right side
    54,170.91x = 2,240,600,780.19
  5. Step 5: Solve for x
    x = 2,240,600,780.19/54,170.91
  6. Step 6: Final answer
    x = 41,361.70

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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.