Home / 83,170.29-124,839.54-73,742.97

Finding the Fourth Proportional to 83,170.29, 124,839.54 and 73,742.97

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Solution

The fourth proportional to 83,170.29, 124,839.54 and 73,742.97 is: 110,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.29 : 124,839.54 = 73,742.97 : x
  2. Step 2: Convert to fraction form
    83,170.29/124,839.54 = 73,742.97/x
  3. Step 3: Cross multiply
    83,170.29x = 124,839.54 × 73,742.97
  4. Step 4: Simplify right side
    83,170.29x = 9,206,038,453.03
  5. Step 5: Solve for x
    x = 9,206,038,453.03/83,170.29
  6. Step 6: Final answer
    x = 110,689.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.