Home / 71,718.93-98,945.67-43,414.29

Finding the Fourth Proportional to 71,718.93, 98,945.67 and 43,414.29

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Solution

The fourth proportional to 71,718.93, 98,945.67 and 43,414.29 is: 59,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,718.93 : 98,945.67 = 43,414.29 : x
  2. Step 2: Convert to fraction form
    71,718.93/98,945.67 = 43,414.29/x
  3. Step 3: Cross multiply
    71,718.93x = 98,945.67 × 43,414.29
  4. Step 4: Simplify right side
    71,718.93x = 4,295,656,011.62
  5. Step 5: Solve for x
    x = 4,295,656,011.62/71,718.93
  6. Step 6: Final answer
    x = 59,895.71

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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.