Home / 87,486.83-120,730.46-49,246.29

Finding the Fourth Proportional to 87,486.83, 120,730.46 and 49,246.29

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Solution

The fourth proportional to 87,486.83, 120,730.46 and 49,246.29 is: 67,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,486.83 : 120,730.46 = 49,246.29 : x
  2. Step 2: Convert to fraction form
    87,486.83/120,730.46 = 49,246.29/x
  3. Step 3: Cross multiply
    87,486.83x = 120,730.46 × 49,246.29
  4. Step 4: Simplify right side
    87,486.83x = 5,945,526,998.76
  5. Step 5: Solve for x
    x = 5,945,526,998.76/87,486.83
  6. Step 6: Final answer
    x = 67,959.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.