Home / 82,479.08-123,863.98-61,424.84

Finding the Fourth Proportional to 82,479.08, 123,863.98 and 61,424.84

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Solution

The fourth proportional to 82,479.08, 123,863.98 and 61,424.84 is: 92,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,479.08 : 123,863.98 = 61,424.84 : x
  2. Step 2: Convert to fraction form
    82,479.08/123,863.98 = 61,424.84/x
  3. Step 3: Cross multiply
    82,479.08x = 123,863.98 × 61,424.84
  4. Step 4: Simplify right side
    82,479.08x = 7,608,325,153.26
  5. Step 5: Solve for x
    x = 7,608,325,153.26/82,479.08
  6. Step 6: Final answer
    x = 92,245.51

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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.