Home / 67,129.42-92,638.94-36,916.70

Finding the Fourth Proportional to 67,129.42, 92,638.94 and 36,916.70

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Solution

The fourth proportional to 67,129.42, 92,638.94 and 36,916.70 is: 50,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.42 : 92,638.94 = 36,916.70 : x
  2. Step 2: Convert to fraction form
    67,129.42/92,638.94 = 36,916.70/x
  3. Step 3: Cross multiply
    67,129.42x = 92,638.94 × 36,916.70
  4. Step 4: Simplify right side
    67,129.42x = 3,419,923,956.30
  5. Step 5: Solve for x
    x = 3,419,923,956.30/67,129.42
  6. Step 6: Final answer
    x = 50,945.23

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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.