Home / 100,968.26-151,440.62-26,082.54

Finding the Fourth Proportional to 100,968.26, 151,440.62 and 26,082.54

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Solution

The fourth proportional to 100,968.26, 151,440.62 and 26,082.54 is: 39,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968.26 : 151,440.62 = 26,082.54 : x
  2. Step 2: Convert to fraction form
    100,968.26/151,440.62 = 26,082.54/x
  3. Step 3: Cross multiply
    100,968.26x = 151,440.62 × 26,082.54
  4. Step 4: Simplify right side
    100,968.26x = 3,949,955,898.36
  5. Step 5: Solve for x
    x = 3,949,955,898.36/100,968.26
  6. Step 6: Final answer
    x = 39,120.77

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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.