Home / 55,127.65-82,625.85-31,704.88

Finding the Fourth Proportional to 55,127.65, 82,625.85 and 31,704.88

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Solution

The fourth proportional to 55,127.65, 82,625.85 and 31,704.88 is: 47,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,127.65 : 82,625.85 = 31,704.88 : x
  2. Step 2: Convert to fraction form
    55,127.65/82,625.85 = 31,704.88/x
  3. Step 3: Cross multiply
    55,127.65x = 82,625.85 × 31,704.88
  4. Step 4: Simplify right side
    55,127.65x = 2,619,642,659.15
  5. Step 5: Solve for x
    x = 2,619,642,659.15/55,127.65
  6. Step 6: Final answer
    x = 47,519.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.