Home / 69,517.60-104,276.40-43,273.60

Finding the Fourth Proportional to 69,517.60, 104,276.40 and 43,273.60

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Solution

The fourth proportional to 69,517.60, 104,276.40 and 43,273.60 is: 64,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,517.60 : 104,276.40 = 43,273.60 : x
  2. Step 2: Convert to fraction form
    69,517.60/104,276.40 = 43,273.60/x
  3. Step 3: Cross multiply
    69,517.60x = 104,276.40 × 43,273.60
  4. Step 4: Simplify right side
    69,517.60x = 4,512,415,223.04
  5. Step 5: Solve for x
    x = 4,512,415,223.04/69,517.60
  6. Step 6: Final answer
    x = 64,910.40

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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.