Home / 82,315.79-123,473.65-23,151.44

Finding the Fourth Proportional to 82,315.79, 123,473.65 and 23,151.44

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Solution

The fourth proportional to 82,315.79, 123,473.65 and 23,151.44 is: 34,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,315.79 : 123,473.65 = 23,151.44 : x
  2. Step 2: Convert to fraction form
    82,315.79/123,473.65 = 23,151.44/x
  3. Step 3: Cross multiply
    82,315.79x = 123,473.65 × 23,151.44
  4. Step 4: Simplify right side
    82,315.79x = 2,858,592,799.56
  5. Step 5: Solve for x
    x = 2,858,592,799.56/82,315.79
  6. Step 6: Final answer
    x = 34,727.15

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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.