Home / 56,721.33-85,082.00-15,167.25

Finding the Fourth Proportional to 56,721.33, 85,082.00 and 15,167.25

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Solution

The fourth proportional to 56,721.33, 85,082.00 and 15,167.25 is: 22,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.33 : 85,082.00 = 15,167.25 : x
  2. Step 2: Convert to fraction form
    56,721.33/85,082.00 = 15,167.25/x
  3. Step 3: Cross multiply
    56,721.33x = 85,082.00 × 15,167.25
  4. Step 4: Simplify right side
    56,721.33x = 1,290,459,888.66
  5. Step 5: Solve for x
    x = 1,290,459,888.66/56,721.33
  6. Step 6: Final answer
    x = 22,750.88

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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.