Home / 99,975.92-149,914.40-33,393.20

Finding the Fourth Proportional to 99,975.92, 149,914.40 and 33,393.20

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Solution

The fourth proportional to 99,975.92, 149,914.40 and 33,393.20 is: 50,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,975.92 : 149,914.40 = 33,393.20 : x
  2. Step 2: Convert to fraction form
    99,975.92/149,914.40 = 33,393.20/x
  3. Step 3: Cross multiply
    99,975.92x = 149,914.40 × 33,393.20
  4. Step 4: Simplify right side
    99,975.92x = 5,006,121,542.08
  5. Step 5: Solve for x
    x = 5,006,121,542.08/99,975.92
  6. Step 6: Final answer
    x = 50,073.27

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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.