Home / 99,229.07-136,935.57-53,906.69

Finding the Fourth Proportional to 99,229.07, 136,935.57 and 53,906.69

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Solution

The fourth proportional to 99,229.07, 136,935.57 and 53,906.69 is: 74,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.07 : 136,935.57 = 53,906.69 : x
  2. Step 2: Convert to fraction form
    99,229.07/136,935.57 = 53,906.69/x
  3. Step 3: Cross multiply
    99,229.07x = 136,935.57 × 53,906.69
  4. Step 4: Simplify right side
    99,229.07x = 7,381,743,321.96
  5. Step 5: Solve for x
    x = 7,381,743,321.96/99,229.07
  6. Step 6: Final answer
    x = 74,390.94

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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.