Home / 82,424.77-123,630.31-26,262.61

Finding the Fourth Proportional to 82,424.77, 123,630.31 and 26,262.61

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Solution

The fourth proportional to 82,424.77, 123,630.31 and 26,262.61 is: 39,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,424.77 : 123,630.31 = 26,262.61 : x
  2. Step 2: Convert to fraction form
    82,424.77/123,630.31 = 26,262.61/x
  3. Step 3: Cross multiply
    82,424.77x = 123,630.31 × 26,262.61
  4. Step 4: Simplify right side
    82,424.77x = 3,246,854,615.71
  5. Step 5: Solve for x
    x = 3,246,854,615.71/82,424.77
  6. Step 6: Final answer
    x = 39,391.73

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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.