Home / 54,323.13-81,485.70-16,882.90

Finding the Fourth Proportional to 54,323.13, 81,485.70 and 16,882.90

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Solution

The fourth proportional to 54,323.13, 81,485.70 and 16,882.90 is: 25,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.13 : 81,485.70 = 16,882.90 : x
  2. Step 2: Convert to fraction form
    54,323.13/81,485.70 = 16,882.90/x
  3. Step 3: Cross multiply
    54,323.13x = 81,485.70 × 16,882.90
  4. Step 4: Simplify right side
    54,323.13x = 1,375,714,924.53
  5. Step 5: Solve for x
    x = 1,375,714,924.53/54,323.13
  6. Step 6: Final answer
    x = 25,324.66

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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.