Home / 65,748.88-98,623.32-54,663.53

Finding the Fourth Proportional to 65,748.88, 98,623.32 and 54,663.53

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Solution

The fourth proportional to 65,748.88, 98,623.32 and 54,663.53 is: 81,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748.88 : 98,623.32 = 54,663.53 : x
  2. Step 2: Convert to fraction form
    65,748.88/98,623.32 = 54,663.53/x
  3. Step 3: Cross multiply
    65,748.88x = 98,623.32 × 54,663.53
  4. Step 4: Simplify right side
    65,748.88x = 5,391,098,420.90
  5. Step 5: Solve for x
    x = 5,391,098,420.90/65,748.88
  6. Step 6: Final answer
    x = 81,995.29

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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.