Home / 88,218.12-132,234.66-43,177.37

Finding the Fourth Proportional to 88,218.12, 132,234.66 and 43,177.37

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Solution

The fourth proportional to 88,218.12, 132,234.66 and 43,177.37 is: 64,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218.12 : 132,234.66 = 43,177.37 : x
  2. Step 2: Convert to fraction form
    88,218.12/132,234.66 = 43,177.37/x
  3. Step 3: Cross multiply
    88,218.12x = 132,234.66 × 43,177.37
  4. Step 4: Simplify right side
    88,218.12x = 5,709,545,172.23
  5. Step 5: Solve for x
    x = 5,709,545,172.23/88,218.12
  6. Step 6: Final answer
    x = 64,720.78

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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.