Home / 54,141.06-81,209.01-14,160.06

Finding the Fourth Proportional to 54,141.06, 81,209.01 and 14,160.06

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Solution

The fourth proportional to 54,141.06, 81,209.01 and 14,160.06 is: 21,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.06 : 81,209.01 = 14,160.06 : x
  2. Step 2: Convert to fraction form
    54,141.06/81,209.01 = 14,160.06/x
  3. Step 3: Cross multiply
    54,141.06x = 81,209.01 × 14,160.06
  4. Step 4: Simplify right side
    54,141.06x = 1,149,924,454.14
  5. Step 5: Solve for x
    x = 1,149,924,454.14/54,141.06
  6. Step 6: Final answer
    x = 21,239.42

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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.