Home / 83,653.29-125,453.31-27,480.36

Finding the Fourth Proportional to 83,653.29, 125,453.31 and 27,480.36

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Solution

The fourth proportional to 83,653.29, 125,453.31 and 27,480.36 is: 41,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,653.29 : 125,453.31 = 27,480.36 : x
  2. Step 2: Convert to fraction form
    83,653.29/125,453.31 = 27,480.36/x
  3. Step 3: Cross multiply
    83,653.29x = 125,453.31 × 27,480.36
  4. Step 4: Simplify right side
    83,653.29x = 3,447,502,121.99
  5. Step 5: Solve for x
    x = 3,447,502,121.99/83,653.29
  6. Step 6: Final answer
    x = 41,211.79

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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.