Home / 66,834.48-92,231.54-36,621.72

Finding the Fourth Proportional to 66,834.48, 92,231.54 and 36,621.72

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Solution

The fourth proportional to 66,834.48, 92,231.54 and 36,621.72 is: 50,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,834.48 : 92,231.54 = 36,621.72 : x
  2. Step 2: Convert to fraction form
    66,834.48/92,231.54 = 36,621.72/x
  3. Step 3: Cross multiply
    66,834.48x = 92,231.54 × 36,621.72
  4. Step 4: Simplify right side
    66,834.48x = 3,377,677,633.05
  5. Step 5: Solve for x
    x = 3,377,677,633.05/66,834.48
  6. Step 6: Final answer
    x = 50,537.95

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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.