Home / 74,120.20-111,104.70-36,622.60

Finding the Fourth Proportional to 74,120.20, 111,104.70 and 36,622.60

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Solution

The fourth proportional to 74,120.20, 111,104.70 and 36,622.60 is: 54,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,120.20 : 111,104.70 = 36,622.60 : x
  2. Step 2: Convert to fraction form
    74,120.20/111,104.70 = 36,622.60/x
  3. Step 3: Cross multiply
    74,120.20x = 111,104.70 × 36,622.60
  4. Step 4: Simplify right side
    74,120.20x = 4,068,942,986.22
  5. Step 5: Solve for x
    x = 4,068,942,986.22/74,120.20
  6. Step 6: Final answer
    x = 54,896.55

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1.5x scale

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.