Home / 57,840.92-86,761.38-18,398.04

Finding the Fourth Proportional to 57,840.92, 86,761.38 and 18,398.04

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Solution

The fourth proportional to 57,840.92, 86,761.38 and 18,398.04 is: 27,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.92 : 86,761.38 = 18,398.04 : x
  2. Step 2: Convert to fraction form
    57,840.92/86,761.38 = 18,398.04/x
  3. Step 3: Cross multiply
    57,840.92x = 86,761.38 × 18,398.04
  4. Step 4: Simplify right side
    57,840.92x = 1,596,239,339.70
  5. Step 5: Solve for x
    x = 1,596,239,339.70/57,840.92
  6. Step 6: Final answer
    x = 27,597.06

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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.