Home / 82,299.52-123,449.28-23,141.20

Finding the Fourth Proportional to 82,299.52, 123,449.28 and 23,141.20

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Solution

The fourth proportional to 82,299.52, 123,449.28 and 23,141.20 is: 34,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,299.52 : 123,449.28 = 23,141.20 : x
  2. Step 2: Convert to fraction form
    82,299.52/123,449.28 = 23,141.20/x
  3. Step 3: Cross multiply
    82,299.52x = 123,449.28 × 23,141.20
  4. Step 4: Simplify right side
    82,299.52x = 2,856,764,478.34
  5. Step 5: Solve for x
    x = 2,856,764,478.34/82,299.52
  6. Step 6: Final answer
    x = 34,711.80

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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.