Home / 92,180.45-138,239.92-36,005.99

Finding the Fourth Proportional to 92,180.45, 138,239.92 and 36,005.99

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Solution

The fourth proportional to 92,180.45, 138,239.92 and 36,005.99 is: 53,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,180.45 : 138,239.92 = 36,005.99 : x
  2. Step 2: Convert to fraction form
    92,180.45/138,239.92 = 36,005.99/x
  3. Step 3: Cross multiply
    92,180.45x = 138,239.92 × 36,005.99
  4. Step 4: Simplify right side
    92,180.45x = 4,977,465,177.12
  5. Step 5: Solve for x
    x = 4,977,465,177.12/92,180.45
  6. Step 6: Final answer
    x = 53,996.97

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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.