Home / 106,381.35-146,765.10-61,042.95

Finding the Fourth Proportional to 106,381.35, 146,765.10 and 61,042.95

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Solution

The fourth proportional to 106,381.35, 146,765.10 and 61,042.95 is: 84,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.35 : 146,765.10 = 61,042.95 : x
  2. Step 2: Convert to fraction form
    106,381.35/146,765.10 = 61,042.95/x
  3. Step 3: Cross multiply
    106,381.35x = 146,765.10 × 61,042.95
  4. Step 4: Simplify right side
    106,381.35x = 8,958,974,661.05
  5. Step 5: Solve for x
    x = 8,958,974,661.05/106,381.35
  6. Step 6: Final answer
    x = 84,215.65

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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.