Home / 99,790.36-149,692.02-33,227.80

Finding the Fourth Proportional to 99,790.36, 149,692.02 and 33,227.80

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Solution

The fourth proportional to 99,790.36, 149,692.02 and 33,227.80 is: 49,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,790.36 : 149,692.02 = 33,227.80 : x
  2. Step 2: Convert to fraction form
    99,790.36/149,692.02 = 33,227.80/x
  3. Step 3: Cross multiply
    99,790.36x = 149,692.02 × 33,227.80
  4. Step 4: Simplify right side
    99,790.36x = 4,973,936,502.16
  5. Step 5: Solve for x
    x = 4,973,936,502.16/99,790.36
  6. Step 6: Final answer
    x = 49,843.86

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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.