Home / 107,699.12-161,448.30-36,573.12

Finding the Fourth Proportional to 107,699.12, 161,448.30 and 36,573.12

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Solution

The fourth proportional to 107,699.12, 161,448.30 and 36,573.12 is: 54,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,699.12 : 161,448.30 = 36,573.12 : x
  2. Step 2: Convert to fraction form
    107,699.12/161,448.30 = 36,573.12/x
  3. Step 3: Cross multiply
    107,699.12x = 161,448.30 × 36,573.12
  4. Step 4: Simplify right side
    107,699.12x = 5,904,668,049.70
  5. Step 5: Solve for x
    x = 5,904,668,049.70/107,699.12
  6. Step 6: Final answer
    x = 54,825.59

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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.