Home / 57,960.23-86,948.51-18,508.55

Finding the Fourth Proportional to 57,960.23, 86,948.51 and 18,508.55

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Solution

The fourth proportional to 57,960.23, 86,948.51 and 18,508.55 is: 27,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.23 : 86,948.51 = 18,508.55 : x
  2. Step 2: Convert to fraction form
    57,960.23/86,948.51 = 18,508.55/x
  3. Step 3: Cross multiply
    57,960.23x = 86,948.51 × 18,508.55
  4. Step 4: Simplify right side
    57,960.23x = 1,609,290,317.48
  5. Step 5: Solve for x
    x = 1,609,290,317.48/57,960.23
  6. Step 6: Final answer
    x = 27,765.43

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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.