Home / 81,624.06-122,448.33-25,469.82

Finding the Fourth Proportional to 81,624.06, 122,448.33 and 25,469.82

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Solution

The fourth proportional to 81,624.06, 122,448.33 and 25,469.82 is: 38,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624.06 : 122,448.33 = 25,469.82 : x
  2. Step 2: Convert to fraction form
    81,624.06/122,448.33 = 25,469.82/x
  3. Step 3: Cross multiply
    81,624.06x = 122,448.33 × 25,469.82
  4. Step 4: Simplify right side
    81,624.06x = 3,118,736,924.40
  5. Step 5: Solve for x
    x = 3,118,736,924.40/81,624.06
  6. Step 6: Final answer
    x = 38,208.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.