Home / 69,743.97-96,247-37,912.80

Finding the Fourth Proportional to 69,743.97, 96,247 and 37,912.80

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Solution

The fourth proportional to 69,743.97, 96,247 and 37,912.80 is: 52,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,743.97 : 96,247 = 37,912.80 : x
  2. Step 2: Convert to fraction form
    69,743.97/96,247 = 37,912.80/x
  3. Step 3: Cross multiply
    69,743.97x = 96,247 × 37,912.80
  4. Step 4: Simplify right side
    69,743.97x = 3,648,993,261.60
  5. Step 5: Solve for x
    x = 3,648,993,261.60/69,743.97
  6. Step 6: Final answer
    x = 52,319.84

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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.