Home / 66,255.26-91,431.36-36,039.93

Finding the Fourth Proportional to 66,255.26, 91,431.36 and 36,039.93

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Solution

The fourth proportional to 66,255.26, 91,431.36 and 36,039.93 is: 49,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.26 : 91,431.36 = 36,039.93 : x
  2. Step 2: Convert to fraction form
    66,255.26/91,431.36 = 36,039.93/x
  3. Step 3: Cross multiply
    66,255.26x = 91,431.36 × 36,039.93
  4. Step 4: Simplify right side
    66,255.26x = 3,295,179,814.20
  5. Step 5: Solve for x
    x = 3,295,179,814.20/66,255.26
  6. Step 6: Final answer
    x = 49,734.62

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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.