Home / 66,054.22-91,230.54-43,494.06

Finding the Fourth Proportional to 66,054.22, 91,230.54 and 43,494.06

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Solution

The fourth proportional to 66,054.22, 91,230.54 and 43,494.06 is: 60,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054.22 : 91,230.54 = 43,494.06 : x
  2. Step 2: Convert to fraction form
    66,054.22/91,230.54 = 43,494.06/x
  3. Step 3: Cross multiply
    66,054.22x = 91,230.54 × 43,494.06
  4. Step 4: Simplify right side
    66,054.22x = 3,967,986,759.60
  5. Step 5: Solve for x
    x = 3,967,986,759.60/66,054.22
  6. Step 6: Final answer
    x = 60,071.66

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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.