Home / 106,040.22-146,338.32-57,645.42

Finding the Fourth Proportional to 106,040.22, 146,338.32 and 57,645.42

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Solution

The fourth proportional to 106,040.22, 146,338.32 and 57,645.42 is: 79,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,040.22 : 146,338.32 = 57,645.42 : x
  2. Step 2: Convert to fraction form
    106,040.22/146,338.32 = 57,645.42/x
  3. Step 3: Cross multiply
    106,040.22x = 146,338.32 × 57,645.42
  4. Step 4: Simplify right side
    106,040.22x = 8,435,733,918.49
  5. Step 5: Solve for x
    x = 8,435,733,918.49/106,040.22
  6. Step 6: Final answer
    x = 79,552.21

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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.