Home / 88,105.43-132,171.92-28,927.64

Finding the Fourth Proportional to 88,105.43, 132,171.92 and 28,927.64

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Solution

The fourth proportional to 88,105.43, 132,171.92 and 28,927.64 is: 43,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.43 : 132,171.92 = 28,927.64 : x
  2. Step 2: Convert to fraction form
    88,105.43/132,171.92 = 28,927.64/x
  3. Step 3: Cross multiply
    88,105.43x = 132,171.92 × 28,927.64
  4. Step 4: Simplify right side
    88,105.43x = 3,823,421,719.87
  5. Step 5: Solve for x
    x = 3,823,421,719.87/88,105.43
  6. Step 6: Final answer
    x = 43,395.98

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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.