Home / 82,488.20-123,718.54-23,310.36

Finding the Fourth Proportional to 82,488.20, 123,718.54 and 23,310.36

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Solution

The fourth proportional to 82,488.20, 123,718.54 and 23,310.36 is: 34,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,488.20 : 123,718.54 = 23,310.36 : x
  2. Step 2: Convert to fraction form
    82,488.20/123,718.54 = 23,310.36/x
  3. Step 3: Cross multiply
    82,488.20x = 123,718.54 × 23,310.36
  4. Step 4: Simplify right side
    82,488.20x = 2,883,923,706.07
  5. Step 5: Solve for x
    x = 2,883,923,706.07/82,488.20
  6. Step 6: Final answer
    x = 34,961.65

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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.