Home / 71,381.20-107,091.28-24,640.96

Finding the Fourth Proportional to 71,381.20, 107,091.28 and 24,640.96

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Solution

The fourth proportional to 71,381.20, 107,091.28 and 24,640.96 is: 36,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,381.20 : 107,091.28 = 24,640.96 : x
  2. Step 2: Convert to fraction form
    71,381.20/107,091.28 = 24,640.96/x
  3. Step 3: Cross multiply
    71,381.20x = 107,091.28 × 24,640.96
  4. Step 4: Simplify right side
    71,381.20x = 2,638,831,946.83
  5. Step 5: Solve for x
    x = 2,638,831,946.83/71,381.20
  6. Step 6: Final answer
    x = 36,968.16

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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.