Home / 89,275.22-133,920.70-33,115.96

Finding the Fourth Proportional to 89,275.22, 133,920.70 and 33,115.96

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Solution

The fourth proportional to 89,275.22, 133,920.70 and 33,115.96 is: 49,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,275.22 : 133,920.70 = 33,115.96 : x
  2. Step 2: Convert to fraction form
    89,275.22/133,920.70 = 33,115.96/x
  3. Step 3: Cross multiply
    89,275.22x = 133,920.70 × 33,115.96
  4. Step 4: Simplify right side
    89,275.22x = 4,434,912,544.37
  5. Step 5: Solve for x
    x = 4,434,912,544.37/89,275.22
  6. Step 6: Final answer
    x = 49,676.86

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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.