Home / 99,852.36-149,736.90-40,647.84

Finding the Fourth Proportional to 99,852.36, 149,736.90 and 40,647.84

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Solution

The fourth proportional to 99,852.36, 149,736.90 and 40,647.84 is: 60,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,852.36 : 149,736.90 = 40,647.84 : x
  2. Step 2: Convert to fraction form
    99,852.36/149,736.90 = 40,647.84/x
  3. Step 3: Cross multiply
    99,852.36x = 149,736.90 × 40,647.84
  4. Step 4: Simplify right side
    99,852.36x = 6,086,481,553.30
  5. Step 5: Solve for x
    x = 6,086,481,553.30/99,852.36
  6. Step 6: Final answer
    x = 60,954.81

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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.