Home / 99,812.49-149,594.12-49,906.85

Finding the Fourth Proportional to 99,812.49, 149,594.12 and 49,906.85

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Solution

The fourth proportional to 99,812.49, 149,594.12 and 49,906.85 is: 74,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,812.49 : 149,594.12 = 49,906.85 : x
  2. Step 2: Convert to fraction form
    99,812.49/149,594.12 = 49,906.85/x
  3. Step 3: Cross multiply
    99,812.49x = 149,594.12 × 49,906.85
  4. Step 4: Simplify right side
    99,812.49x = 7,465,771,619.56
  5. Step 5: Solve for x
    x = 7,465,771,619.56/99,812.49
  6. Step 6: Final answer
    x = 74,797.97

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1.5x scale

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.