Home / 71,104.21-98,124.41-39,273.64

Finding the Fourth Proportional to 71,104.21, 98,124.41 and 39,273.64

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Solution

The fourth proportional to 71,104.21, 98,124.41 and 39,273.64 is: 54,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,104.21 : 98,124.41 = 39,273.64 : x
  2. Step 2: Convert to fraction form
    71,104.21/98,124.41 = 39,273.64/x
  3. Step 3: Cross multiply
    71,104.21x = 98,124.41 × 39,273.64
  4. Step 4: Simplify right side
    71,104.21x = 3,853,702,311.87
  5. Step 5: Solve for x
    x = 3,853,702,311.87/71,104.21
  6. Step 6: Final answer
    x = 54,197.95

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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.