Home / 82,424.41-123,635.25-26,263.76

Finding the Fourth Proportional to 82,424.41, 123,635.25 and 26,263.76

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Solution

The fourth proportional to 82,424.41, 123,635.25 and 26,263.76 is: 39,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,424.41 : 123,635.25 = 26,263.76 : x
  2. Step 2: Convert to fraction form
    82,424.41/123,635.25 = 26,263.76/x
  3. Step 3: Cross multiply
    82,424.41x = 123,635.25 × 26,263.76
  4. Step 4: Simplify right side
    82,424.41x = 3,247,126,163.09
  5. Step 5: Solve for x
    x = 3,247,126,163.09/82,424.41
  6. Step 6: Final answer
    x = 39,395.20

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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.