Home / 82,379.46-113,615.97-50,525.94

Finding the Fourth Proportional to 82,379.46, 113,615.97 and 50,525.94

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Solution

The fourth proportional to 82,379.46, 113,615.97 and 50,525.94 is: 69,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,379.46 : 113,615.97 = 50,525.94 : x
  2. Step 2: Convert to fraction form
    82,379.46/113,615.97 = 50,525.94/x
  3. Step 3: Cross multiply
    82,379.46x = 113,615.97 × 50,525.94
  4. Step 4: Simplify right side
    82,379.46x = 5,740,553,683.26
  5. Step 5: Solve for x
    x = 5,740,553,683.26/82,379.46
  6. Step 6: Final answer
    x = 69,684.28

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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.