Home / 66,515.45-91,791.48-37,834.46

Finding the Fourth Proportional to 66,515.45, 91,791.48 and 37,834.46

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Solution

The fourth proportional to 66,515.45, 91,791.48 and 37,834.46 is: 52,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515.45 : 91,791.48 = 37,834.46 : x
  2. Step 2: Convert to fraction form
    66,515.45/91,791.48 = 37,834.46/x
  3. Step 3: Cross multiply
    66,515.45x = 91,791.48 × 37,834.46
  4. Step 4: Simplify right side
    66,515.45x = 3,472,880,892.72
  5. Step 5: Solve for x
    x = 3,472,880,892.72/66,515.45
  6. Step 6: Final answer
    x = 52,211.65

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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.