Home / 82,930.21-114,439.37-47,115.25

Finding the Fourth Proportional to 82,930.21, 114,439.37 and 47,115.25

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Solution

The fourth proportional to 82,930.21, 114,439.37 and 47,115.25 is: 65,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,930.21 : 114,439.37 = 47,115.25 : x
  2. Step 2: Convert to fraction form
    82,930.21/114,439.37 = 47,115.25/x
  3. Step 3: Cross multiply
    82,930.21x = 114,439.37 × 47,115.25
  4. Step 4: Simplify right side
    82,930.21x = 5,391,839,645.18
  5. Step 5: Solve for x
    x = 5,391,839,645.18/82,930.21
  6. Step 6: Final answer
    x = 65,016.59

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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.