Home / 92,092.24-138,212.17-47,731.68

Finding the Fourth Proportional to 92,092.24, 138,212.17 and 47,731.68

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Solution

The fourth proportional to 92,092.24, 138,212.17 and 47,731.68 is: 71,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,092.24 : 138,212.17 = 47,731.68 : x
  2. Step 2: Convert to fraction form
    92,092.24/138,212.17 = 47,731.68/x
  3. Step 3: Cross multiply
    92,092.24x = 138,212.17 × 47,731.68
  4. Step 4: Simplify right side
    92,092.24x = 6,597,099,219.71
  5. Step 5: Solve for x
    x = 6,597,099,219.71/92,092.24
  6. Step 6: Final answer
    x = 71,635.78

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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.