Home / 85,220.96-117,605.52-48,912.84

Finding the Fourth Proportional to 85,220.96, 117,605.52 and 48,912.84

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Solution

The fourth proportional to 85,220.96, 117,605.52 and 48,912.84 is: 67,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,220.96 : 117,605.52 = 48,912.84 : x
  2. Step 2: Convert to fraction form
    85,220.96/117,605.52 = 48,912.84/x
  3. Step 3: Cross multiply
    85,220.96x = 117,605.52 × 48,912.84
  4. Step 4: Simplify right side
    85,220.96x = 5,752,419,982.88
  5. Step 5: Solve for x
    x = 5,752,419,982.88/85,220.96
  6. Step 6: Final answer
    x = 67,500.06

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1.5x scale

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.