Home / 89,231.46-133,819.84-30,051.24

Finding the Fourth Proportional to 89,231.46, 133,819.84 and 30,051.24

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Solution

The fourth proportional to 89,231.46, 133,819.84 and 30,051.24 is: 45,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,231.46 : 133,819.84 = 30,051.24 : x
  2. Step 2: Convert to fraction form
    89,231.46/133,819.84 = 30,051.24/x
  3. Step 3: Cross multiply
    89,231.46x = 133,819.84 × 30,051.24
  4. Step 4: Simplify right side
    89,231.46x = 4,021,452,128.60
  5. Step 5: Solve for x
    x = 4,021,452,128.60/89,231.46
  6. Step 6: Final answer
    x = 45,067.65

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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.