Home / 107,129.52-160,716.69-40,568.13

Finding the Fourth Proportional to 107,129.52, 160,716.69 and 40,568.13

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Solution

The fourth proportional to 107,129.52, 160,716.69 and 40,568.13 is: 60,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,129.52 : 160,716.69 = 40,568.13 : x
  2. Step 2: Convert to fraction form
    107,129.52/160,716.69 = 40,568.13/x
  3. Step 3: Cross multiply
    107,129.52x = 160,716.69 × 40,568.13
  4. Step 4: Simplify right side
    107,129.52x = 6,519,975,573.09
  5. Step 5: Solve for x
    x = 6,519,975,573.09/107,129.52
  6. Step 6: Final answer
    x = 60,860.68

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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.