Home / 54,331.92-81,521.25-29,389.50

Finding the Fourth Proportional to 54,331.92, 81,521.25 and 29,389.50

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Solution

The fourth proportional to 54,331.92, 81,521.25 and 29,389.50 is: 44,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.92 : 81,521.25 = 29,389.50 : x
  2. Step 2: Convert to fraction form
    54,331.92/81,521.25 = 29,389.50/x
  3. Step 3: Cross multiply
    54,331.92x = 81,521.25 × 29,389.50
  4. Step 4: Simplify right side
    54,331.92x = 2,395,868,776.88
  5. Step 5: Solve for x
    x = 2,395,868,776.88/54,331.92
  6. Step 6: Final answer
    x = 44,096.89

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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.