Home / 84,179.18-116,191.56-49,755.80

Finding the Fourth Proportional to 84,179.18, 116,191.56 and 49,755.80

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Solution

The fourth proportional to 84,179.18, 116,191.56 and 49,755.80 is: 68,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,179.18 : 116,191.56 = 49,755.80 : x
  2. Step 2: Convert to fraction form
    84,179.18/116,191.56 = 49,755.80/x
  3. Step 3: Cross multiply
    84,179.18x = 116,191.56 × 49,755.80
  4. Step 4: Simplify right side
    84,179.18x = 5,781,204,498.11
  5. Step 5: Solve for x
    x = 5,781,204,498.11/84,179.18
  6. Step 6: Final answer
    x = 68,677.37

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1.5x scale

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.