Home / 99,795.54-137,717.97-55,083.54

Finding the Fourth Proportional to 99,795.54, 137,717.97 and 55,083.54

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Solution

The fourth proportional to 99,795.54, 137,717.97 and 55,083.54 is: 76,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795.54 : 137,717.97 = 55,083.54 : x
  2. Step 2: Convert to fraction form
    99,795.54/137,717.97 = 55,083.54/x
  3. Step 3: Cross multiply
    99,795.54x = 137,717.97 × 55,083.54
  4. Step 4: Simplify right side
    99,795.54x = 7,585,993,309.21
  5. Step 5: Solve for x
    x = 7,585,993,309.21/99,795.54
  6. Step 6: Final answer
    x = 76,015.35

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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.