Home / 99,202.92-136,896.18-53,879.94

Finding the Fourth Proportional to 99,202.92, 136,896.18 and 53,879.94

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Solution

The fourth proportional to 99,202.92, 136,896.18 and 53,879.94 is: 74,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,202.92 : 136,896.18 = 53,879.94 : x
  2. Step 2: Convert to fraction form
    99,202.92/136,896.18 = 53,879.94/x
  3. Step 3: Cross multiply
    99,202.92x = 136,896.18 × 53,879.94
  4. Step 4: Simplify right side
    99,202.92x = 7,375,957,964.63
  5. Step 5: Solve for x
    x = 7,375,957,964.63/99,202.92
  6. Step 6: Final answer
    x = 74,352.23

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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.