Home / 74,629.68-111,853.80-35,140.56

Finding the Fourth Proportional to 74,629.68, 111,853.80 and 35,140.56

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Solution

The fourth proportional to 74,629.68, 111,853.80 and 35,140.56 is: 52,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629.68 : 111,853.80 = 35,140.56 : x
  2. Step 2: Convert to fraction form
    74,629.68/111,853.80 = 35,140.56/x
  3. Step 3: Cross multiply
    74,629.68x = 111,853.80 × 35,140.56
  4. Step 4: Simplify right side
    74,629.68x = 3,930,605,170.13
  5. Step 5: Solve for x
    x = 3,930,605,170.13/74,629.68
  6. Step 6: Final answer
    x = 52,668.12

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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.