Home / 82,079.63-123,135.90-25,924.96

Finding the Fourth Proportional to 82,079.63, 123,135.90 and 25,924.96

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Solution

The fourth proportional to 82,079.63, 123,135.90 and 25,924.96 is: 38,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,079.63 : 123,135.90 = 25,924.96 : x
  2. Step 2: Convert to fraction form
    82,079.63/123,135.90 = 25,924.96/x
  3. Step 3: Cross multiply
    82,079.63x = 123,135.90 × 25,924.96
  4. Step 4: Simplify right side
    82,079.63x = 3,192,293,338.77
  5. Step 5: Solve for x
    x = 3,192,293,338.77/82,079.63
  6. Step 6: Final answer
    x = 38,892.64

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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.