Home / 99,218.82-136,922.27-53,896.46

Finding the Fourth Proportional to 99,218.82, 136,922.27 and 53,896.46

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Solution

The fourth proportional to 99,218.82, 136,922.27 and 53,896.46 is: 74,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,218.82 : 136,922.27 = 53,896.46 : x
  2. Step 2: Convert to fraction form
    99,218.82/136,922.27 = 53,896.46/x
  3. Step 3: Cross multiply
    99,218.82x = 136,922.27 × 53,896.46
  4. Step 4: Simplify right side
    99,218.82x = 7,379,624,694.07
  5. Step 5: Solve for x
    x = 7,379,624,694.07/99,218.82
  6. Step 6: Final answer
    x = 74,377.26

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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.