Home / 107,949.30-148,910.13-63,228.66

Finding the Fourth Proportional to 107,949.30, 148,910.13 and 63,228.66

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Solution

The fourth proportional to 107,949.30, 148,910.13 and 63,228.66 is: 87,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.30 : 148,910.13 = 63,228.66 : x
  2. Step 2: Convert to fraction form
    107,949.30/148,910.13 = 63,228.66/x
  3. Step 3: Cross multiply
    107,949.30x = 148,910.13 × 63,228.66
  4. Step 4: Simplify right side
    107,949.30x = 9,415,387,980.33
  5. Step 5: Solve for x
    x = 9,415,387,980.33/107,949.30
  6. Step 6: Final answer
    x = 87,220.46

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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.