Home / 69,660.87-96,140.21-41,366.55

Finding the Fourth Proportional to 69,660.87, 96,140.21 and 41,366.55

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Solution

The fourth proportional to 69,660.87, 96,140.21 and 41,366.55 is: 57,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.87 : 96,140.21 = 41,366.55 : x
  2. Step 2: Convert to fraction form
    69,660.87/96,140.21 = 41,366.55/x
  3. Step 3: Cross multiply
    69,660.87x = 96,140.21 × 41,366.55
  4. Step 4: Simplify right side
    69,660.87x = 3,976,988,597.14
  5. Step 5: Solve for x
    x = 3,976,988,597.14/69,660.87
  6. Step 6: Final answer
    x = 57,090.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.