Home / 71,546.17-98,738.31-41,332.78

Finding the Fourth Proportional to 71,546.17, 98,738.31 and 41,332.78

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Solution

The fourth proportional to 71,546.17, 98,738.31 and 41,332.78 is: 57,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.17 : 98,738.31 = 41,332.78 : x
  2. Step 2: Convert to fraction form
    71,546.17/98,738.31 = 41,332.78/x
  3. Step 3: Cross multiply
    71,546.17x = 98,738.31 × 41,332.78
  4. Step 4: Simplify right side
    71,546.17x = 4,081,128,844.80
  5. Step 5: Solve for x
    x = 4,081,128,844.80/71,546.17
  6. Step 6: Final answer
    x = 57,041.89

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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.