Home / 57,644.29-86,470.08-18,202.96

Finding the Fourth Proportional to 57,644.29, 86,470.08 and 18,202.96

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Solution

The fourth proportional to 57,644.29, 86,470.08 and 18,202.96 is: 27,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.29 : 86,470.08 = 18,202.96 : x
  2. Step 2: Convert to fraction form
    57,644.29/86,470.08 = 18,202.96/x
  3. Step 3: Cross multiply
    57,644.29x = 86,470.08 × 18,202.96
  4. Step 4: Simplify right side
    57,644.29x = 1,574,011,407.44
  5. Step 5: Solve for x
    x = 1,574,011,407.44/57,644.29
  6. Step 6: Final answer
    x = 27,305.59

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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.