Home / 83,160.26-114,755.79-45,434.48

Finding the Fourth Proportional to 83,160.26, 114,755.79 and 45,434.48

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Solution

The fourth proportional to 83,160.26, 114,755.79 and 45,434.48 is: 62,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,160.26 : 114,755.79 = 45,434.48 : x
  2. Step 2: Convert to fraction form
    83,160.26/114,755.79 = 45,434.48/x
  3. Step 3: Cross multiply
    83,160.26x = 114,755.79 × 45,434.48
  4. Step 4: Simplify right side
    83,160.26x = 5,213,869,645.64
  5. Step 5: Solve for x
    x = 5,213,869,645.64/83,160.26
  6. Step 6: Final answer
    x = 62,696.65

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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.