Home / 83,912.68-115,835.78-59,997.80

Finding the Fourth Proportional to 83,912.68, 115,835.78 and 59,997.80

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Solution

The fourth proportional to 83,912.68, 115,835.78 and 59,997.80 is: 82,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,912.68 : 115,835.78 = 59,997.80 : x
  2. Step 2: Convert to fraction form
    83,912.68/115,835.78 = 59,997.80/x
  3. Step 3: Cross multiply
    83,912.68x = 115,835.78 × 59,997.80
  4. Step 4: Simplify right side
    83,912.68x = 6,949,891,961.28
  5. Step 5: Solve for x
    x = 6,949,891,961.28/83,912.68
  6. Step 6: Final answer
    x = 82,822.91

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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.