Home / 88,082.52-121,553.96-50,357.56

Finding the Fourth Proportional to 88,082.52, 121,553.96 and 50,357.56

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Solution

The fourth proportional to 88,082.52, 121,553.96 and 50,357.56 is: 69,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082.52 : 121,553.96 = 50,357.56 : x
  2. Step 2: Convert to fraction form
    88,082.52/121,553.96 = 50,357.56/x
  3. Step 3: Cross multiply
    88,082.52x = 121,553.96 × 50,357.56
  4. Step 4: Simplify right side
    88,082.52x = 6,121,160,833.94
  5. Step 5: Solve for x
    x = 6,121,160,833.94/88,082.52
  6. Step 6: Final answer
    x = 69,493.48

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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.