Home / 66,376.10-91,601.25-36,163.82

Finding the Fourth Proportional to 66,376.10, 91,601.25 and 36,163.82

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Solution

The fourth proportional to 66,376.10, 91,601.25 and 36,163.82 is: 49,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.10 : 91,601.25 = 36,163.82 : x
  2. Step 2: Convert to fraction form
    66,376.10/91,601.25 = 36,163.82/x
  3. Step 3: Cross multiply
    66,376.10x = 91,601.25 × 36,163.82
  4. Step 4: Simplify right side
    66,376.10x = 3,312,651,116.78
  5. Step 5: Solve for x
    x = 3,312,651,116.78/66,376.10
  6. Step 6: Final answer
    x = 49,907.29

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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.