Home / 70,148.31-96,796.26-39,933.69

Finding the Fourth Proportional to 70,148.31, 96,796.26 and 39,933.69

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Solution

The fourth proportional to 70,148.31, 96,796.26 and 39,933.69 is: 55,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148.31 : 96,796.26 = 39,933.69 : x
  2. Step 2: Convert to fraction form
    70,148.31/96,796.26 = 39,933.69/x
  3. Step 3: Cross multiply
    70,148.31x = 96,796.26 × 39,933.69
  4. Step 4: Simplify right side
    70,148.31x = 3,865,431,840.00
  5. Step 5: Solve for x
    x = 3,865,431,840.00/70,148.31
  6. Step 6: Final answer
    x = 55,103.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.