Home / 82,262.96-123,443.80-35,515.78

Finding the Fourth Proportional to 82,262.96, 123,443.80 and 35,515.78

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Solution

The fourth proportional to 82,262.96, 123,443.80 and 35,515.78 is: 53,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,262.96 : 123,443.80 = 35,515.78 : x
  2. Step 2: Convert to fraction form
    82,262.96/123,443.80 = 35,515.78/x
  3. Step 3: Cross multiply
    82,262.96x = 123,443.80 × 35,515.78
  4. Step 4: Simplify right side
    82,262.96x = 4,384,202,843.16
  5. Step 5: Solve for x
    x = 4,384,202,843.16/82,262.96
  6. Step 6: Final answer
    x = 53,294.98

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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.