Home / 83,641.49-115,447.38-51,792.29

Finding the Fourth Proportional to 83,641.49, 115,447.38 and 51,792.29

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Solution

The fourth proportional to 83,641.49, 115,447.38 and 51,792.29 is: 71,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,641.49 : 115,447.38 = 51,792.29 : x
  2. Step 2: Convert to fraction form
    83,641.49/115,447.38 = 51,792.29/x
  3. Step 3: Cross multiply
    83,641.49x = 115,447.38 × 51,792.29
  4. Step 4: Simplify right side
    83,641.49x = 5,979,284,184.70
  5. Step 5: Solve for x
    x = 5,979,284,184.70/83,641.49
  6. Step 6: Final answer
    x = 71,487.06

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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.