Home / 108,521.52-162,821.43-57,867.27

Finding the Fourth Proportional to 108,521.52, 162,821.43 and 57,867.27

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Solution

The fourth proportional to 108,521.52, 162,821.43 and 57,867.27 is: 86,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.52 : 162,821.43 = 57,867.27 : x
  2. Step 2: Convert to fraction form
    108,521.52/162,821.43 = 57,867.27/x
  3. Step 3: Cross multiply
    108,521.52x = 162,821.43 × 57,867.27
  4. Step 4: Simplify right side
    108,521.52x = 9,422,031,651.60
  5. Step 5: Solve for x
    x = 9,422,031,651.60/108,521.52
  6. Step 6: Final answer
    x = 86,821.78

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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.