Home / 69,741.68-104,553.52-30,268.92

Finding the Fourth Proportional to 69,741.68, 104,553.52 and 30,268.92

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Solution

The fourth proportional to 69,741.68, 104,553.52 and 30,268.92 is: 45,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,741.68 : 104,553.52 = 30,268.92 : x
  2. Step 2: Convert to fraction form
    69,741.68/104,553.52 = 30,268.92/x
  3. Step 3: Cross multiply
    69,741.68x = 104,553.52 × 30,268.92
  4. Step 4: Simplify right side
    69,741.68x = 3,164,722,132.60
  5. Step 5: Solve for x
    x = 3,164,722,132.60/69,741.68
  6. Step 6: Final answer
    x = 45,377.77

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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.