Home / 82,460.64-123,700.68-26,281.20

Finding the Fourth Proportional to 82,460.64, 123,700.68 and 26,281.20

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Solution

The fourth proportional to 82,460.64, 123,700.68 and 26,281.20 is: 39,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,460.64 : 123,700.68 = 26,281.20 : x
  2. Step 2: Convert to fraction form
    82,460.64/123,700.68 = 26,281.20/x
  3. Step 3: Cross multiply
    82,460.64x = 123,700.68 × 26,281.20
  4. Step 4: Simplify right side
    82,460.64x = 3,251,002,311.22
  5. Step 5: Solve for x
    x = 3,251,002,311.22/82,460.64
  6. Step 6: Final answer
    x = 39,424.90

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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.