Home / 79,390.22-119,121.71-34,425.36

Finding the Fourth Proportional to 79,390.22, 119,121.71 and 34,425.36

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Solution

The fourth proportional to 79,390.22, 119,121.71 and 34,425.36 is: 51,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.22 : 119,121.71 = 34,425.36 : x
  2. Step 2: Convert to fraction form
    79,390.22/119,121.71 = 34,425.36/x
  3. Step 3: Cross multiply
    79,390.22x = 119,121.71 × 34,425.36
  4. Step 4: Simplify right side
    79,390.22x = 4,100,807,578.44
  5. Step 5: Solve for x
    x = 4,100,807,578.44/79,390.22
  6. Step 6: Final answer
    x = 51,653.82

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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.