Home / 88,109.51-132,163.65-21,550.59

Finding the Fourth Proportional to 88,109.51, 132,163.65 and 21,550.59

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Solution

The fourth proportional to 88,109.51, 132,163.65 and 21,550.59 is: 32,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,109.51 : 132,163.65 = 21,550.59 : x
  2. Step 2: Convert to fraction form
    88,109.51/132,163.65 = 21,550.59/x
  3. Step 3: Cross multiply
    88,109.51x = 132,163.65 × 21,550.59
  4. Step 4: Simplify right side
    88,109.51x = 2,848,204,634.05
  5. Step 5: Solve for x
    x = 2,848,204,634.05/88,109.51
  6. Step 6: Final answer
    x = 32,325.74

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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.