Home / 88,109.65-132,163.32-21,550.36

Finding the Fourth Proportional to 88,109.65, 132,163.32 and 21,550.36

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Solution

The fourth proportional to 88,109.65, 132,163.32 and 21,550.36 is: 32,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,109.65 : 132,163.32 = 21,550.36 : x
  2. Step 2: Convert to fraction form
    88,109.65/132,163.32 = 21,550.36/x
  3. Step 3: Cross multiply
    88,109.65x = 132,163.32 × 21,550.36
  4. Step 4: Simplify right side
    88,109.65x = 2,848,167,124.80
  5. Step 5: Solve for x
    x = 2,848,167,124.80/88,109.65
  6. Step 6: Final answer
    x = 32,325.26

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1.5x scale

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.