Home / 87,750.46-131,516.48-42,735.01

Finding the Fourth Proportional to 87,750.46, 131,516.48 and 42,735.01

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Solution

The fourth proportional to 87,750.46, 131,516.48 and 42,735.01 is: 64,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,750.46 : 131,516.48 = 42,735.01 : x
  2. Step 2: Convert to fraction form
    87,750.46/131,516.48 = 42,735.01/x
  3. Step 3: Cross multiply
    87,750.46x = 131,516.48 × 42,735.01
  4. Step 4: Simplify right side
    87,750.46x = 5,620,358,087.96
  5. Step 5: Solve for x
    x = 5,620,358,087.96/87,750.46
  6. Step 6: Final answer
    x = 64,049.33

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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.