Home / 55,192.22-82,713.81-39,575.42

Finding the Fourth Proportional to 55,192.22, 82,713.81 and 39,575.42

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Solution

The fourth proportional to 55,192.22, 82,713.81 and 39,575.42 is: 59,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.22 : 82,713.81 = 39,575.42 : x
  2. Step 2: Convert to fraction form
    55,192.22/82,713.81 = 39,575.42/x
  3. Step 3: Cross multiply
    55,192.22x = 82,713.81 × 39,575.42
  4. Step 4: Simplify right side
    55,192.22x = 3,273,433,770.55
  5. Step 5: Solve for x
    x = 3,273,433,770.55/55,192.22
  6. Step 6: Final answer
    x = 59,309.70

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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.