Home / 55,581.23-76,694.87-31,706.48

Finding the Fourth Proportional to 55,581.23, 76,694.87 and 31,706.48

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Solution

The fourth proportional to 55,581.23, 76,694.87 and 31,706.48 is: 43,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.23 : 76,694.87 = 31,706.48 : x
  2. Step 2: Convert to fraction form
    55,581.23/76,694.87 = 31,706.48/x
  3. Step 3: Cross multiply
    55,581.23x = 76,694.87 × 31,706.48
  4. Step 4: Simplify right side
    55,581.23x = 2,431,723,819.75
  5. Step 5: Solve for x
    x = 2,431,723,819.75/55,581.23
  6. Step 6: Final answer
    x = 43,750.81

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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.