Home / 88,610.22-132,975.27-66,477.78

Finding the Fourth Proportional to 88,610.22, 132,975.27 and 66,477.78

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Solution

The fourth proportional to 88,610.22, 132,975.27 and 66,477.78 is: 99,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,610.22 : 132,975.27 = 66,477.78 : x
  2. Step 2: Convert to fraction form
    88,610.22/132,975.27 = 66,477.78/x
  3. Step 3: Cross multiply
    88,610.22x = 132,975.27 × 66,477.78
  4. Step 4: Simplify right side
    88,610.22x = 8,839,900,744.50
  5. Step 5: Solve for x
    x = 8,839,900,744.50/88,610.22
  6. Step 6: Final answer
    x = 99,761.64

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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.