Home / 66,067.20-98,812.80-59,097.60

Finding the Fourth Proportional to 66,067.20, 98,812.80 and 59,097.60

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Solution

The fourth proportional to 66,067.20, 98,812.80 and 59,097.60 is: 88,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067.20 : 98,812.80 = 59,097.60 : x
  2. Step 2: Convert to fraction form
    66,067.20/98,812.80 = 59,097.60/x
  3. Step 3: Cross multiply
    66,067.20x = 98,812.80 × 59,097.60
  4. Step 4: Simplify right side
    66,067.20x = 5,839,599,329.28
  5. Step 5: Solve for x
    x = 5,839,599,329.28/66,067.20
  6. Step 6: Final answer
    x = 88,388.78

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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.