Home / 57,562.72-86,343.96-18,123.28

Finding the Fourth Proportional to 57,562.72, 86,343.96 and 18,123.28

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Solution

The fourth proportional to 57,562.72, 86,343.96 and 18,123.28 is: 27,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,562.72 : 86,343.96 = 18,123.28 : x
  2. Step 2: Convert to fraction form
    57,562.72/86,343.96 = 18,123.28/x
  3. Step 3: Cross multiply
    57,562.72x = 86,343.96 × 18,123.28
  4. Step 4: Simplify right side
    57,562.72x = 1,564,835,763.39
  5. Step 5: Solve for x
    x = 1,564,835,763.39/57,562.72
  6. Step 6: Final answer
    x = 27,184.88

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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.