Home / 106,373.11-146,843.40-75,765.91

Finding the Fourth Proportional to 106,373.11, 146,843.40 and 75,765.91

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Solution

The fourth proportional to 106,373.11, 146,843.40 and 75,765.91 is: 104,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,373.11 : 146,843.40 = 75,765.91 : x
  2. Step 2: Convert to fraction form
    106,373.11/146,843.40 = 75,765.91/x
  3. Step 3: Cross multiply
    106,373.11x = 146,843.40 × 75,765.91
  4. Step 4: Simplify right side
    106,373.11x = 11,125,723,828.49
  5. Step 5: Solve for x
    x = 11,125,723,828.49/106,373.11
  6. Step 6: Final answer
    x = 104,591.51

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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.