Home / 57,126.66-85,693.62-17,680.46

Finding the Fourth Proportional to 57,126.66, 85,693.62 and 17,680.46

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Solution

The fourth proportional to 57,126.66, 85,693.62 and 17,680.46 is: 26,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.66 : 85,693.62 = 17,680.46 : x
  2. Step 2: Convert to fraction form
    57,126.66/85,693.62 = 17,680.46/x
  3. Step 3: Cross multiply
    57,126.66x = 85,693.62 × 17,680.46
  4. Step 4: Simplify right side
    57,126.66x = 1,515,102,620.67
  5. Step 5: Solve for x
    x = 1,515,102,620.67/57,126.66
  6. Step 6: Final answer
    x = 26,521.81

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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.