Home / 74,761.38-112,142.34-22,171.32

Finding the Fourth Proportional to 74,761.38, 112,142.34 and 22,171.32

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Solution

The fourth proportional to 74,761.38, 112,142.34 and 22,171.32 is: 33,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,761.38 : 112,142.34 = 22,171.32 : x
  2. Step 2: Convert to fraction form
    74,761.38/112,142.34 = 22,171.32/x
  3. Step 3: Cross multiply
    74,761.38x = 112,142.34 × 22,171.32
  4. Step 4: Simplify right side
    74,761.38x = 2,486,343,705.69
  5. Step 5: Solve for x
    x = 2,486,343,705.69/74,761.38
  6. Step 6: Final answer
    x = 33,257.06

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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.