Home / 71,311.89-98,402.94-41,091.21

Finding the Fourth Proportional to 71,311.89, 98,402.94 and 41,091.21

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Solution

The fourth proportional to 71,311.89, 98,402.94 and 41,091.21 is: 56,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.89 : 98,402.94 = 41,091.21 : x
  2. Step 2: Convert to fraction form
    71,311.89/98,402.94 = 41,091.21/x
  3. Step 3: Cross multiply
    71,311.89x = 98,402.94 × 41,091.21
  4. Step 4: Simplify right side
    71,311.89x = 4,043,495,872.16
  5. Step 5: Solve for x
    x = 4,043,495,872.16/71,311.89
  6. Step 6: Final answer
    x = 56,701.57

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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.