Home / 82,520.28-123,786.96-23,356.32

Finding the Fourth Proportional to 82,520.28, 123,786.96 and 23,356.32

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Solution

The fourth proportional to 82,520.28, 123,786.96 and 23,356.32 is: 35,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,520.28 : 123,786.96 = 23,356.32 : x
  2. Step 2: Convert to fraction form
    82,520.28/123,786.96 = 23,356.32/x
  3. Step 3: Cross multiply
    82,520.28x = 123,786.96 × 23,356.32
  4. Step 4: Simplify right side
    82,520.28x = 2,891,207,849.59
  5. Step 5: Solve for x
    x = 2,891,207,849.59/82,520.28
  6. Step 6: Final answer
    x = 35,036.33

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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.