Home / 100,768.32-151,153.92-41,597.28

Finding the Fourth Proportional to 100,768.32, 151,153.92 and 41,597.28

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Solution

The fourth proportional to 100,768.32, 151,153.92 and 41,597.28 is: 62,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,768.32 : 151,153.92 = 41,597.28 : x
  2. Step 2: Convert to fraction form
    100,768.32/151,153.92 = 41,597.28/x
  3. Step 3: Cross multiply
    100,768.32x = 151,153.92 × 41,597.28
  4. Step 4: Simplify right side
    100,768.32x = 6,287,591,933.34
  5. Step 5: Solve for x
    x = 6,287,591,933.34/100,768.32
  6. Step 6: Final answer
    x = 62,396.51

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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.