Home / 66,942.67-92,381.22-36,730.75

Finding the Fourth Proportional to 66,942.67, 92,381.22 and 36,730.75

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Solution

The fourth proportional to 66,942.67, 92,381.22 and 36,730.75 is: 50,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,942.67 : 92,381.22 = 36,730.75 : x
  2. Step 2: Convert to fraction form
    66,942.67/92,381.22 = 36,730.75/x
  3. Step 3: Cross multiply
    66,942.67x = 92,381.22 × 36,730.75
  4. Step 4: Simplify right side
    66,942.67x = 3,393,231,496.52
  5. Step 5: Solve for x
    x = 3,393,231,496.52/66,942.67
  6. Step 6: Final answer
    x = 50,688.62

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1.5x scale

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.