Home / 83,452.26-115,164.10-49,918.26

Finding the Fourth Proportional to 83,452.26, 115,164.10 and 49,918.26

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Solution

The fourth proportional to 83,452.26, 115,164.10 and 49,918.26 is: 68,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,452.26 : 115,164.10 = 49,918.26 : x
  2. Step 2: Convert to fraction form
    83,452.26/115,164.10 = 49,918.26/x
  3. Step 3: Cross multiply
    83,452.26x = 115,164.10 × 49,918.26
  4. Step 4: Simplify right side
    83,452.26x = 5,748,791,486.47
  5. Step 5: Solve for x
    x = 5,748,791,486.47/83,452.26
  6. Step 6: Final answer
    x = 68,887.19

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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.