Home / 82,195.84-123,194.62-40,012.70

Finding the Fourth Proportional to 82,195.84, 123,194.62 and 40,012.70

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Solution

The fourth proportional to 82,195.84, 123,194.62 and 40,012.70 is: 59,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,195.84 : 123,194.62 = 40,012.70 : x
  2. Step 2: Convert to fraction form
    82,195.84/123,194.62 = 40,012.70/x
  3. Step 3: Cross multiply
    82,195.84x = 123,194.62 × 40,012.70
  4. Step 4: Simplify right side
    82,195.84x = 4,929,348,805.72
  5. Step 5: Solve for x
    x = 4,929,348,805.72/82,195.84
  6. Step 6: Final answer
    x = 59,970.78

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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.