Home / 99,028.90-148,532.81-27,949.78

Finding the Fourth Proportional to 99,028.90, 148,532.81 and 27,949.78

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Solution

The fourth proportional to 99,028.90, 148,532.81 and 27,949.78 is: 41,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,028.90 : 148,532.81 = 27,949.78 : x
  2. Step 2: Convert to fraction form
    99,028.90/148,532.81 = 27,949.78/x
  3. Step 3: Cross multiply
    99,028.90x = 148,532.81 × 27,949.78
  4. Step 4: Simplify right side
    99,028.90x = 4,151,458,619.62
  5. Step 5: Solve for x
    x = 4,151,458,619.62/99,028.90
  6. Step 6: Final answer
    x = 41,921.69

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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.