Home / 87,362.49-131,042.69-61,610.79

Finding the Fourth Proportional to 87,362.49, 131,042.69 and 61,610.79

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Solution

The fourth proportional to 87,362.49, 131,042.69 and 61,610.79 is: 92,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362.49 : 131,042.69 = 61,610.79 : x
  2. Step 2: Convert to fraction form
    87,362.49/131,042.69 = 61,610.79/x
  3. Step 3: Cross multiply
    87,362.49x = 131,042.69 × 61,610.79
  4. Step 4: Simplify right side
    87,362.49x = 8,073,643,346.57
  5. Step 5: Solve for x
    x = 8,073,643,346.57/87,362.49
  6. Step 6: Final answer
    x = 92,415.44

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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.