Home / 66,956.28-100,396.36-51,753.47

Finding the Fourth Proportional to 66,956.28, 100,396.36 and 51,753.47

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Solution

The fourth proportional to 66,956.28, 100,396.36 and 51,753.47 is: 77,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.28 : 100,396.36 = 51,753.47 : x
  2. Step 2: Convert to fraction form
    66,956.28/100,396.36 = 51,753.47/x
  3. Step 3: Cross multiply
    66,956.28x = 100,396.36 × 51,753.47
  4. Step 4: Simplify right side
    66,956.28x = 5,195,860,005.37
  5. Step 5: Solve for x
    x = 5,195,860,005.37/66,956.28
  6. Step 6: Final answer
    x = 77,600.79

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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.