Home / 66,941.96-100,353.28-25,418.12

Finding the Fourth Proportional to 66,941.96, 100,353.28 and 25,418.12

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Solution

The fourth proportional to 66,941.96, 100,353.28 and 25,418.12 is: 38,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,941.96 : 100,353.28 = 25,418.12 : x
  2. Step 2: Convert to fraction form
    66,941.96/100,353.28 = 25,418.12/x
  3. Step 3: Cross multiply
    66,941.96x = 100,353.28 × 25,418.12
  4. Step 4: Simplify right side
    66,941.96x = 2,550,791,713.43
  5. Step 5: Solve for x
    x = 2,550,791,713.43/66,941.96
  6. Step 6: Final answer
    x = 38,104.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.