Home / 82,251.33-123,388.74-25,330.05

Finding the Fourth Proportional to 82,251.33, 123,388.74 and 25,330.05

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Solution

The fourth proportional to 82,251.33, 123,388.74 and 25,330.05 is: 37,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,251.33 : 123,388.74 = 25,330.05 : x
  2. Step 2: Convert to fraction form
    82,251.33/123,388.74 = 25,330.05/x
  3. Step 3: Cross multiply
    82,251.33x = 123,388.74 × 25,330.05
  4. Step 4: Simplify right side
    82,251.33x = 3,125,442,953.64
  5. Step 5: Solve for x
    x = 3,125,442,953.64/82,251.33
  6. Step 6: Final answer
    x = 37,998.69

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1.5x scale

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.