Home / 106,054.31-146,355.45-58,310.75

Finding the Fourth Proportional to 106,054.31, 146,355.45 and 58,310.75

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Solution

The fourth proportional to 106,054.31, 146,355.45 and 58,310.75 is: 80,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,054.31 : 146,355.45 = 58,310.75 : x
  2. Step 2: Convert to fraction form
    106,054.31/146,355.45 = 58,310.75/x
  3. Step 3: Cross multiply
    106,054.31x = 146,355.45 × 58,310.75
  4. Step 4: Simplify right side
    106,054.31x = 8,534,096,056.09
  5. Step 5: Solve for x
    x = 8,534,096,056.09/106,054.31
  6. Step 6: Final answer
    x = 80,469.11

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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.