Home / 66,161.32-91,264.26-43,504.36

Finding the Fourth Proportional to 66,161.32, 91,264.26 and 43,504.36

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Solution

The fourth proportional to 66,161.32, 91,264.26 and 43,504.36 is: 60,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161.32 : 91,264.26 = 43,504.36 : x
  2. Step 2: Convert to fraction form
    66,161.32/91,264.26 = 43,504.36/x
  3. Step 3: Cross multiply
    66,161.32x = 91,264.26 × 43,504.36
  4. Step 4: Simplify right side
    66,161.32x = 3,970,393,222.17
  5. Step 5: Solve for x
    x = 3,970,393,222.17/66,161.32
  6. Step 6: Final answer
    x = 60,010.79

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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.