Home / 55,621.44-76,773.68-31,761.12

Finding the Fourth Proportional to 55,621.44, 76,773.68 and 31,761.12

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Solution

The fourth proportional to 55,621.44, 76,773.68 and 31,761.12 is: 43,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.44 : 76,773.68 = 31,761.12 : x
  2. Step 2: Convert to fraction form
    55,621.44/76,773.68 = 31,761.12/x
  3. Step 3: Cross multiply
    55,621.44x = 76,773.68 × 31,761.12
  4. Step 4: Simplify right side
    55,621.44x = 2,438,418,063.32
  5. Step 5: Solve for x
    x = 2,438,418,063.32/55,621.44
  6. Step 6: Final answer
    x = 43,839.53

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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.