Home / 83,554.92-115,240.62-51,741.48

Finding the Fourth Proportional to 83,554.92, 115,240.62 and 51,741.48

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Solution

The fourth proportional to 83,554.92, 115,240.62 and 51,741.48 is: 71,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,554.92 : 115,240.62 = 51,741.48 : x
  2. Step 2: Convert to fraction form
    83,554.92/115,240.62 = 51,741.48/x
  3. Step 3: Cross multiply
    83,554.92x = 115,240.62 × 51,741.48
  4. Step 4: Simplify right side
    83,554.92x = 5,962,720,234.92
  5. Step 5: Solve for x
    x = 5,962,720,234.92/83,554.92
  6. Step 6: Final answer
    x = 71,362.89

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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.