Home / 92,224.10-138,336.15-82,309.70

Finding the Fourth Proportional to 92,224.10, 138,336.15 and 82,309.70

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Solution

The fourth proportional to 92,224.10, 138,336.15 and 82,309.70 is: 123,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,224.10 : 138,336.15 = 82,309.70 : x
  2. Step 2: Convert to fraction form
    92,224.10/138,336.15 = 82,309.70/x
  3. Step 3: Cross multiply
    92,224.10x = 138,336.15 × 82,309.70
  4. Step 4: Simplify right side
    92,224.10x = 11,386,407,005.66
  5. Step 5: Solve for x
    x = 11,386,407,005.66/92,224.10
  6. Step 6: Final answer
    x = 123,464.55

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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.