Home / 57,127.15-85,694.37-17,680.96

Finding the Fourth Proportional to 57,127.15, 85,694.37 and 17,680.96

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Solution

The fourth proportional to 57,127.15, 85,694.37 and 17,680.96 is: 26,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.15 : 85,694.37 = 17,680.96 : x
  2. Step 2: Convert to fraction form
    57,127.15/85,694.37 = 17,680.96/x
  3. Step 3: Cross multiply
    57,127.15x = 85,694.37 × 17,680.96
  4. Step 4: Simplify right side
    57,127.15x = 1,515,158,728.20
  5. Step 5: Solve for x
    x = 1,515,158,728.20/57,127.15
  6. Step 6: Final answer
    x = 26,522.57

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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.