Home / 82,434.76-123,661.22-26,261.80

Finding the Fourth Proportional to 82,434.76, 123,661.22 and 26,261.80

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Solution

The fourth proportional to 82,434.76, 123,661.22 and 26,261.80 is: 39,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,434.76 : 123,661.22 = 26,261.80 : x
  2. Step 2: Convert to fraction form
    82,434.76/123,661.22 = 26,261.80/x
  3. Step 3: Cross multiply
    82,434.76x = 123,661.22 × 26,261.80
  4. Step 4: Simplify right side
    82,434.76x = 3,247,566,227.40
  5. Step 5: Solve for x
    x = 3,247,566,227.40/82,434.76
  6. Step 6: Final answer
    x = 39,395.59

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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.