Home / 57,747.32-86,629.19-17,769.62

Finding the Fourth Proportional to 57,747.32, 86,629.19 and 17,769.62

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Solution

The fourth proportional to 57,747.32, 86,629.19 and 17,769.62 is: 26,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.32 : 86,629.19 = 17,769.62 : x
  2. Step 2: Convert to fraction form
    57,747.32/86,629.19 = 17,769.62/x
  3. Step 3: Cross multiply
    57,747.32x = 86,629.19 × 17,769.62
  4. Step 4: Simplify right side
    57,747.32x = 1,539,367,787.21
  5. Step 5: Solve for x
    x = 1,539,367,787.21/57,747.32
  6. Step 6: Final answer
    x = 26,656.96

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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.