Home / 88,110.54-132,165-21,550.98

Finding the Fourth Proportional to 88,110.54, 132,165 and 21,550.98

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Solution

The fourth proportional to 88,110.54, 132,165 and 21,550.98 is: 32,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.54 : 132,165 = 21,550.98 : x
  2. Step 2: Convert to fraction form
    88,110.54/132,165 = 21,550.98/x
  3. Step 3: Cross multiply
    88,110.54x = 132,165 × 21,550.98
  4. Step 4: Simplify right side
    88,110.54x = 2,848,285,271.70
  5. Step 5: Solve for x
    x = 2,848,285,271.70/88,110.54
  6. Step 6: Final answer
    x = 32,326.27

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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.