Home / 100,731.92-151,115.09-41,535.23

Finding the Fourth Proportional to 100,731.92, 151,115.09 and 41,535.23

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Solution

The fourth proportional to 100,731.92, 151,115.09 and 41,535.23 is: 62,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,731.92 : 151,115.09 = 41,535.23 : x
  2. Step 2: Convert to fraction form
    100,731.92/151,115.09 = 41,535.23/x
  3. Step 3: Cross multiply
    100,731.92x = 151,115.09 × 41,535.23
  4. Step 4: Simplify right side
    100,731.92x = 6,276,599,056.37
  5. Step 5: Solve for x
    x = 6,276,599,056.37/100,731.92
  6. Step 6: Final answer
    x = 62,309.93

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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.