Home / 83,974.89-115,893.53-62,717.25

Finding the Fourth Proportional to 83,974.89, 115,893.53 and 62,717.25

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Solution

The fourth proportional to 83,974.89, 115,893.53 and 62,717.25 is: 86,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.89 : 115,893.53 = 62,717.25 : x
  2. Step 2: Convert to fraction form
    83,974.89/115,893.53 = 62,717.25/x
  3. Step 3: Cross multiply
    83,974.89x = 115,893.53 × 62,717.25
  4. Step 4: Simplify right side
    83,974.89x = 7,268,523,494.39
  5. Step 5: Solve for x
    x = 7,268,523,494.39/83,974.89
  6. Step 6: Final answer
    x = 86,555.92

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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.