Home / 54,111.43-81,146.49-26,013.75

Finding the Fourth Proportional to 54,111.43, 81,146.49 and 26,013.75

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Solution

The fourth proportional to 54,111.43, 81,146.49 and 26,013.75 is: 39,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111.43 : 81,146.49 = 26,013.75 : x
  2. Step 2: Convert to fraction form
    54,111.43/81,146.49 = 26,013.75/x
  3. Step 3: Cross multiply
    54,111.43x = 81,146.49 × 26,013.75
  4. Step 4: Simplify right side
    54,111.43x = 2,110,924,504.24
  5. Step 5: Solve for x
    x = 2,110,924,504.24/54,111.43
  6. Step 6: Final answer
    x = 39,010.70

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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.