Home / 88,108.65-132,161.82-21,549.36

Finding the Fourth Proportional to 88,108.65, 132,161.82 and 21,549.36

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Solution

The fourth proportional to 88,108.65, 132,161.82 and 21,549.36 is: 32,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,108.65 : 132,161.82 = 21,549.36 : x
  2. Step 2: Convert to fraction form
    88,108.65/132,161.82 = 21,549.36/x
  3. Step 3: Cross multiply
    88,108.65x = 132,161.82 × 21,549.36
  4. Step 4: Simplify right side
    88,108.65x = 2,848,002,637.44
  5. Step 5: Solve for x
    x = 2,848,002,637.44/88,108.65
  6. Step 6: Final answer
    x = 32,323.76

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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.