Home / 54,102.52-81,157.96-18,079.10

Finding the Fourth Proportional to 54,102.52, 81,157.96 and 18,079.10

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Solution

The fourth proportional to 54,102.52, 81,157.96 and 18,079.10 is: 27,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,102.52 : 81,157.96 = 18,079.10 : x
  2. Step 2: Convert to fraction form
    54,102.52/81,157.96 = 18,079.10/x
  3. Step 3: Cross multiply
    54,102.52x = 81,157.96 × 18,079.10
  4. Step 4: Simplify right side
    54,102.52x = 1,467,262,423.65
  5. Step 5: Solve for x
    x = 1,467,262,423.65/54,102.52
  6. Step 6: Final answer
    x = 27,120.04

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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.