Home / 55,620.62-76,761.96-31,750.88

Finding the Fourth Proportional to 55,620.62, 76,761.96 and 31,750.88

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Solution

The fourth proportional to 55,620.62, 76,761.96 and 31,750.88 is: 43,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.62 : 76,761.96 = 31,750.88 : x
  2. Step 2: Convert to fraction form
    55,620.62/76,761.96 = 31,750.88/x
  3. Step 3: Cross multiply
    55,620.62x = 76,761.96 × 31,750.88
  4. Step 4: Simplify right side
    55,620.62x = 2,437,259,780.52
  5. Step 5: Solve for x
    x = 2,437,259,780.52/55,620.62
  6. Step 6: Final answer
    x = 43,819.36

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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.