Home / 66,835.12-92,231.36-36,620.16

Finding the Fourth Proportional to 66,835.12, 92,231.36 and 36,620.16

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Solution

The fourth proportional to 66,835.12, 92,231.36 and 36,620.16 is: 50,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,835.12 : 92,231.36 = 36,620.16 : x
  2. Step 2: Convert to fraction form
    66,835.12/92,231.36 = 36,620.16/x
  3. Step 3: Cross multiply
    66,835.12x = 92,231.36 × 36,620.16
  4. Step 4: Simplify right side
    66,835.12x = 3,377,527,160.22
  5. Step 5: Solve for x
    x = 3,377,527,160.22/66,835.12
  6. Step 6: Final answer
    x = 50,535.22

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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.