Home / 83,961.54-115,882.78-48,174.92

Finding the Fourth Proportional to 83,961.54, 115,882.78 and 48,174.92

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Solution

The fourth proportional to 83,961.54, 115,882.78 and 48,174.92 is: 66,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,961.54 : 115,882.78 = 48,174.92 : x
  2. Step 2: Convert to fraction form
    83,961.54/115,882.78 = 48,174.92/x
  3. Step 3: Cross multiply
    83,961.54x = 115,882.78 × 48,174.92
  4. Step 4: Simplify right side
    83,961.54x = 5,582,643,655.88
  5. Step 5: Solve for x
    x = 5,582,643,655.88/83,961.54
  6. Step 6: Final answer
    x = 66,490.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.