Home / 92,001.24-138,001.92-28,821.87

Finding the Fourth Proportional to 92,001.24, 138,001.92 and 28,821.87

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Solution

The fourth proportional to 92,001.24, 138,001.92 and 28,821.87 is: 43,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,001.24 : 138,001.92 = 28,821.87 : x
  2. Step 2: Convert to fraction form
    92,001.24/138,001.92 = 28,821.87/x
  3. Step 3: Cross multiply
    92,001.24x = 138,001.92 × 28,821.87
  4. Step 4: Simplify right side
    92,001.24x = 3,977,473,397.99
  5. Step 5: Solve for x
    x = 3,977,473,397.99/92,001.24
  6. Step 6: Final answer
    x = 43,232.82

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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.