Home / 75,447.38-113,188.56-22,137.20

Finding the Fourth Proportional to 75,447.38, 113,188.56 and 22,137.20

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Solution

The fourth proportional to 75,447.38, 113,188.56 and 22,137.20 is: 33,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.38 : 113,188.56 = 22,137.20 : x
  2. Step 2: Convert to fraction form
    75,447.38/113,188.56 = 22,137.20/x
  3. Step 3: Cross multiply
    75,447.38x = 113,188.56 × 22,137.20
  4. Step 4: Simplify right side
    75,447.38x = 2,505,677,565.93
  5. Step 5: Solve for x
    x = 2,505,677,565.93/75,447.38
  6. Step 6: Final answer
    x = 33,210.93

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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.