Home / 99,405.09-149,076.05-32,832.81

Finding the Fourth Proportional to 99,405.09, 149,076.05 and 32,832.81

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Solution

The fourth proportional to 99,405.09, 149,076.05 and 32,832.81 is: 49,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,405.09 : 149,076.05 = 32,832.81 : x
  2. Step 2: Convert to fraction form
    99,405.09/149,076.05 = 32,832.81/x
  3. Step 3: Cross multiply
    99,405.09x = 149,076.05 × 32,832.81
  4. Step 4: Simplify right side
    99,405.09x = 4,894,585,461.04
  5. Step 5: Solve for x
    x = 4,894,585,461.04/99,405.09
  6. Step 6: Final answer
    x = 49,238.78

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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.