Home / 57,129.76-85,775.33-36,001.32

Finding the Fourth Proportional to 57,129.76, 85,775.33 and 36,001.32

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Solution

The fourth proportional to 57,129.76, 85,775.33 and 36,001.32 is: 54,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129.76 : 85,775.33 = 36,001.32 : x
  2. Step 2: Convert to fraction form
    57,129.76/85,775.33 = 36,001.32/x
  3. Step 3: Cross multiply
    57,129.76x = 85,775.33 × 36,001.32
  4. Step 4: Simplify right side
    57,129.76x = 3,088,025,103.44
  5. Step 5: Solve for x
    x = 3,088,025,103.44/57,129.76
  6. Step 6: Final answer
    x = 54,052.83

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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.