Home / 101,917.55-152,936.46-38,790.81

Finding the Fourth Proportional to 101,917.55, 152,936.46 and 38,790.81

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Solution

The fourth proportional to 101,917.55, 152,936.46 and 38,790.81 is: 58,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,917.55 : 152,936.46 = 38,790.81 : x
  2. Step 2: Convert to fraction form
    101,917.55/152,936.46 = 38,790.81/x
  3. Step 3: Cross multiply
    101,917.55x = 152,936.46 × 38,790.81
  4. Step 4: Simplify right side
    101,917.55x = 5,932,529,161.93
  5. Step 5: Solve for x
    x = 5,932,529,161.93/101,917.55
  6. Step 6: Final answer
    x = 58,209.11

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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.