Home / 89,163.64-133,758.42-47,587.96

Finding the Fourth Proportional to 89,163.64, 133,758.42 and 47,587.96

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Solution

The fourth proportional to 89,163.64, 133,758.42 and 47,587.96 is: 71,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,163.64 : 133,758.42 = 47,587.96 : x
  2. Step 2: Convert to fraction form
    89,163.64/133,758.42 = 47,587.96/x
  3. Step 3: Cross multiply
    89,163.64x = 133,758.42 × 47,587.96
  4. Step 4: Simplify right side
    89,163.64x = 6,365,290,340.62
  5. Step 5: Solve for x
    x = 6,365,290,340.62/89,163.64
  6. Step 6: Final answer
    x = 71,388.86

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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.