Home / 99,812.19-149,593.69-49,906.56

Finding the Fourth Proportional to 99,812.19, 149,593.69 and 49,906.56

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Solution

The fourth proportional to 99,812.19, 149,593.69 and 49,906.56 is: 74,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,812.19 : 149,593.69 = 49,906.56 : x
  2. Step 2: Convert to fraction form
    99,812.19/149,593.69 = 49,906.56/x
  3. Step 3: Cross multiply
    99,812.19x = 149,593.69 × 49,906.56
  4. Step 4: Simplify right side
    99,812.19x = 7,465,706,808.48
  5. Step 5: Solve for x
    x = 7,465,706,808.48/99,812.19
  6. Step 6: Final answer
    x = 74,797.54

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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.