Home / 70,704.26-105,825.62-51,979.34

Finding the Fourth Proportional to 70,704.26, 105,825.62 and 51,979.34

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Solution

The fourth proportional to 70,704.26, 105,825.62 and 51,979.34 is: 77,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.26 : 105,825.62 = 51,979.34 : x
  2. Step 2: Convert to fraction form
    70,704.26/105,825.62 = 51,979.34/x
  3. Step 3: Cross multiply
    70,704.26x = 105,825.62 × 51,979.34
  4. Step 4: Simplify right side
    70,704.26x = 5,500,745,882.69
  5. Step 5: Solve for x
    x = 5,500,745,882.69/70,704.26
  6. Step 6: Final answer
    x = 77,799.36

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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.