Home / 54,317.13-81,476.70-16,876.90

Finding the Fourth Proportional to 54,317.13, 81,476.70 and 16,876.90

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Solution

The fourth proportional to 54,317.13, 81,476.70 and 16,876.90 is: 25,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.13 : 81,476.70 = 16,876.90 : x
  2. Step 2: Convert to fraction form
    54,317.13/81,476.70 = 16,876.90/x
  3. Step 3: Cross multiply
    54,317.13x = 81,476.70 × 16,876.90
  4. Step 4: Simplify right side
    54,317.13x = 1,375,074,118.23
  5. Step 5: Solve for x
    x = 1,375,074,118.23/54,317.13
  6. Step 6: Final answer
    x = 25,315.66

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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.