Home / 82,119.58-123,197.29-25,193.79

Finding the Fourth Proportional to 82,119.58, 123,197.29 and 25,193.79

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Solution

The fourth proportional to 82,119.58, 123,197.29 and 25,193.79 is: 37,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,119.58 : 123,197.29 = 25,193.79 : x
  2. Step 2: Convert to fraction form
    82,119.58/123,197.29 = 25,193.79/x
  3. Step 3: Cross multiply
    82,119.58x = 123,197.29 × 25,193.79
  4. Step 4: Simplify right side
    82,119.58x = 3,103,806,589.84
  5. Step 5: Solve for x
    x = 3,103,806,589.84/82,119.58
  6. Step 6: Final answer
    x = 37,796.18

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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.