Home / 82,382.80-123,574.20-23,217.70

Finding the Fourth Proportional to 82,382.80, 123,574.20 and 23,217.70

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Solution

The fourth proportional to 82,382.80, 123,574.20 and 23,217.70 is: 34,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,382.80 : 123,574.20 = 23,217.70 : x
  2. Step 2: Convert to fraction form
    82,382.80/123,574.20 = 23,217.70/x
  3. Step 3: Cross multiply
    82,382.80x = 123,574.20 × 23,217.70
  4. Step 4: Simplify right side
    82,382.80x = 2,869,108,703.34
  5. Step 5: Solve for x
    x = 2,869,108,703.34/82,382.80
  6. Step 6: Final answer
    x = 34,826.55

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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.