Home / 66,394.26-91,607.70-40,566.33

Finding the Fourth Proportional to 66,394.26, 91,607.70 and 40,566.33

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Solution

The fourth proportional to 66,394.26, 91,607.70 and 40,566.33 is: 55,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394.26 : 91,607.70 = 40,566.33 : x
  2. Step 2: Convert to fraction form
    66,394.26/91,607.70 = 40,566.33/x
  3. Step 3: Cross multiply
    66,394.26x = 91,607.70 × 40,566.33
  4. Step 4: Simplify right side
    66,394.26x = 3,716,188,188.74
  5. Step 5: Solve for x
    x = 3,716,188,188.74/66,394.26
  6. Step 6: Final answer
    x = 55,971.53

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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.