Home / 82,097.92-123,129.24-25,942.36

Finding the Fourth Proportional to 82,097.92, 123,129.24 and 25,942.36

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Solution

The fourth proportional to 82,097.92, 123,129.24 and 25,942.36 is: 38,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,097.92 : 123,129.24 = 25,942.36 : x
  2. Step 2: Convert to fraction form
    82,097.92/123,129.24 = 25,942.36/x
  3. Step 3: Cross multiply
    82,097.92x = 123,129.24 × 25,942.36
  4. Step 4: Simplify right side
    82,097.92x = 3,194,263,070.61
  5. Step 5: Solve for x
    x = 3,194,263,070.61/82,097.92
  6. Step 6: Final answer
    x = 38,907.97

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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.