Home / 89,217.20-133,735.80-33,021.20

Finding the Fourth Proportional to 89,217.20, 133,735.80 and 33,021.20

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Solution

The fourth proportional to 89,217.20, 133,735.80 and 33,021.20 is: 49,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,217.20 : 133,735.80 = 33,021.20 : x
  2. Step 2: Convert to fraction form
    89,217.20/133,735.80 = 33,021.20/x
  3. Step 3: Cross multiply
    89,217.20x = 133,735.80 × 33,021.20
  4. Step 4: Simplify right side
    89,217.20x = 4,416,116,598.96
  5. Step 5: Solve for x
    x = 4,416,116,598.96/89,217.20
  6. Step 6: Final answer
    x = 49,498.49

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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.