Home / 74,322.28-111,415.20-32,175.96

Finding the Fourth Proportional to 74,322.28, 111,415.20 and 32,175.96

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Solution

The fourth proportional to 74,322.28, 111,415.20 and 32,175.96 is: 48,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,322.28 : 111,415.20 = 32,175.96 : x
  2. Step 2: Convert to fraction form
    74,322.28/111,415.20 = 32,175.96/x
  3. Step 3: Cross multiply
    74,322.28x = 111,415.20 × 32,175.96
  4. Step 4: Simplify right side
    74,322.28x = 3,584,891,018.59
  5. Step 5: Solve for x
    x = 3,584,891,018.59/74,322.28
  6. Step 6: Final answer
    x = 48,234.41

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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.