Home / 55,610.44-76,747.92-31,740.72

Finding the Fourth Proportional to 55,610.44, 76,747.92 and 31,740.72

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Solution

The fourth proportional to 55,610.44, 76,747.92 and 31,740.72 is: 43,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.44 : 76,747.92 = 31,740.72 : x
  2. Step 2: Convert to fraction form
    55,610.44/76,747.92 = 31,740.72/x
  3. Step 3: Cross multiply
    55,610.44x = 76,747.92 × 31,740.72
  4. Step 4: Simplify right side
    55,610.44x = 2,436,034,239.30
  5. Step 5: Solve for x
    x = 2,436,034,239.30/55,610.44
  6. Step 6: Final answer
    x = 43,805.34

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1.5x scale

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.