Home / 82,523.70-123,806.51-38,182.28

Finding the Fourth Proportional to 82,523.70, 123,806.51 and 38,182.28

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Solution

The fourth proportional to 82,523.70, 123,806.51 and 38,182.28 is: 57,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,523.70 : 123,806.51 = 38,182.28 : x
  2. Step 2: Convert to fraction form
    82,523.70/123,806.51 = 38,182.28/x
  3. Step 3: Cross multiply
    82,523.70x = 123,806.51 × 38,182.28
  4. Step 4: Simplify right side
    82,523.70x = 4,727,214,020.70
  5. Step 5: Solve for x
    x = 4,727,214,020.70/82,523.70
  6. Step 6: Final answer
    x = 57,283.11

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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.