Home / 71,748.48-107,623.36-25,001.28

Finding the Fourth Proportional to 71,748.48, 107,623.36 and 25,001.28

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Solution

The fourth proportional to 71,748.48, 107,623.36 and 25,001.28 is: 37,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748.48 : 107,623.36 = 25,001.28 : x
  2. Step 2: Convert to fraction form
    71,748.48/107,623.36 = 25,001.28/x
  3. Step 3: Cross multiply
    71,748.48x = 107,623.36 × 25,001.28
  4. Step 4: Simplify right side
    71,748.48x = 2,690,721,757.90
  5. Step 5: Solve for x
    x = 2,690,721,757.90/71,748.48
  6. Step 6: Final answer
    x = 37,502.14

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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.