Home / 82,173.87-123,279.29-26,017.35

Finding the Fourth Proportional to 82,173.87, 123,279.29 and 26,017.35

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Solution

The fourth proportional to 82,173.87, 123,279.29 and 26,017.35 is: 39,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173.87 : 123,279.29 = 26,017.35 : x
  2. Step 2: Convert to fraction form
    82,173.87/123,279.29 = 26,017.35/x
  3. Step 3: Cross multiply
    82,173.87x = 123,279.29 × 26,017.35
  4. Step 4: Simplify right side
    82,173.87x = 3,207,400,305.59
  5. Step 5: Solve for x
    x = 3,207,400,305.59/82,173.87
  6. Step 6: Final answer
    x = 39,031.88

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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.