Home / 54,876.88-75,639.48-36,721.10

Finding the Fourth Proportional to 54,876.88, 75,639.48 and 36,721.10

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Solution

The fourth proportional to 54,876.88, 75,639.48 and 36,721.10 is: 50,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.88 : 75,639.48 = 36,721.10 : x
  2. Step 2: Convert to fraction form
    54,876.88/75,639.48 = 36,721.10/x
  3. Step 3: Cross multiply
    54,876.88x = 75,639.48 × 36,721.10
  4. Step 4: Simplify right side
    54,876.88x = 2,777,564,909.03
  5. Step 5: Solve for x
    x = 2,777,564,909.03/54,876.88
  6. Step 6: Final answer
    x = 50,614.48

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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.