Home / 72,212.19-108,328.55-22,296.39

Finding the Fourth Proportional to 72,212.19, 108,328.55 and 22,296.39

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Solution

The fourth proportional to 72,212.19, 108,328.55 and 22,296.39 is: 33,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,212.19 : 108,328.55 = 22,296.39 : x
  2. Step 2: Convert to fraction form
    72,212.19/108,328.55 = 22,296.39/x
  3. Step 3: Cross multiply
    72,212.19x = 108,328.55 × 22,296.39
  4. Step 4: Simplify right side
    72,212.19x = 2,415,335,487.45
  5. Step 5: Solve for x
    x = 2,415,335,487.45/72,212.19
  6. Step 6: Final answer
    x = 33,447.75

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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.