Home / 66,480.35-91,758.62-38,202.44

Finding the Fourth Proportional to 66,480.35, 91,758.62 and 38,202.44

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Solution

The fourth proportional to 66,480.35, 91,758.62 and 38,202.44 is: 52,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480.35 : 91,758.62 = 38,202.44 : x
  2. Step 2: Convert to fraction form
    66,480.35/91,758.62 = 38,202.44/x
  3. Step 3: Cross multiply
    66,480.35x = 91,758.62 × 38,202.44
  4. Step 4: Simplify right side
    66,480.35x = 3,505,402,811.75
  5. Step 5: Solve for x
    x = 3,505,402,811.75/66,480.35
  6. Step 6: Final answer
    x = 52,728.41

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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.