Home / 66,583.37-91,757.85-47,687.69

Finding the Fourth Proportional to 66,583.37, 91,757.85 and 47,687.69

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Solution

The fourth proportional to 66,583.37, 91,757.85 and 47,687.69 is: 65,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,583.37 : 91,757.85 = 47,687.69 : x
  2. Step 2: Convert to fraction form
    66,583.37/91,757.85 = 47,687.69/x
  3. Step 3: Cross multiply
    66,583.37x = 91,757.85 × 47,687.69
  4. Step 4: Simplify right side
    66,583.37x = 4,375,719,447.08
  5. Step 5: Solve for x
    x = 4,375,719,447.08/66,583.37
  6. Step 6: Final answer
    x = 65,717.91

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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.