Home / 54,001.47-81,001.98-14,562.57

Finding the Fourth Proportional to 54,001.47, 81,001.98 and 14,562.57

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Solution

The fourth proportional to 54,001.47, 81,001.98 and 14,562.57 is: 21,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.47 : 81,001.98 = 14,562.57 : x
  2. Step 2: Convert to fraction form
    54,001.47/81,001.98 = 14,562.57/x
  3. Step 3: Cross multiply
    54,001.47x = 81,001.98 × 14,562.57
  4. Step 4: Simplify right side
    54,001.47x = 1,179,597,003.89
  5. Step 5: Solve for x
    x = 1,179,597,003.89/54,001.47
  6. Step 6: Final answer
    x = 21,843.79

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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.