Home / 99,664.75-149,497.13-40,505.04

Finding the Fourth Proportional to 99,664.75, 149,497.13 and 40,505.04

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Solution

The fourth proportional to 99,664.75, 149,497.13 and 40,505.04 is: 60,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664.75 : 149,497.13 = 40,505.04 : x
  2. Step 2: Convert to fraction form
    99,664.75/149,497.13 = 40,505.04/x
  3. Step 3: Cross multiply
    99,664.75x = 149,497.13 × 40,505.04
  4. Step 4: Simplify right side
    99,664.75x = 6,055,387,331.80
  5. Step 5: Solve for x
    x = 6,055,387,331.80/99,664.75
  6. Step 6: Final answer
    x = 60,757.56

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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.