Home / 74,414.22-111,619.86-21,822.54

Finding the Fourth Proportional to 74,414.22, 111,619.86 and 21,822.54

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Solution

The fourth proportional to 74,414.22, 111,619.86 and 21,822.54 is: 32,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.22 : 111,619.86 = 21,822.54 : x
  2. Step 2: Convert to fraction form
    74,414.22/111,619.86 = 21,822.54/x
  3. Step 3: Cross multiply
    74,414.22x = 111,619.86 × 21,822.54
  4. Step 4: Simplify right side
    74,414.22x = 2,435,828,859.64
  5. Step 5: Solve for x
    x = 2,435,828,859.64/74,414.22
  6. Step 6: Final answer
    x = 32,733.38

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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.