Home / 82,291.68-123,412.08-29,694.36

Finding the Fourth Proportional to 82,291.68, 123,412.08 and 29,694.36

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Solution

The fourth proportional to 82,291.68, 123,412.08 and 29,694.36 is: 44,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,291.68 : 123,412.08 = 29,694.36 : x
  2. Step 2: Convert to fraction form
    82,291.68/123,412.08 = 29,694.36/x
  3. Step 3: Cross multiply
    82,291.68x = 123,412.08 × 29,694.36
  4. Step 4: Simplify right side
    82,291.68x = 3,664,642,731.87
  5. Step 5: Solve for x
    x = 3,664,642,731.87/82,291.68
  6. Step 6: Final answer
    x = 44,532.36

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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.