Home / 107,984.12-161,979.98-29,100.24

Finding the Fourth Proportional to 107,984.12, 161,979.98 and 29,100.24

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Solution

The fourth proportional to 107,984.12, 161,979.98 and 29,100.24 is: 43,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,984.12 : 161,979.98 = 29,100.24 : x
  2. Step 2: Convert to fraction form
    107,984.12/161,979.98 = 29,100.24/x
  3. Step 3: Cross multiply
    107,984.12x = 161,979.98 × 29,100.24
  4. Step 4: Simplify right side
    107,984.12x = 4,713,656,147.69
  5. Step 5: Solve for x
    x = 4,713,656,147.69/107,984.12
  6. Step 6: Final answer
    x = 43,651.38

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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.