Home / 87,568.38-131,351.16-59,418.42

Finding the Fourth Proportional to 87,568.38, 131,351.16 and 59,418.42

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Solution

The fourth proportional to 87,568.38, 131,351.16 and 59,418.42 is: 89,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.38 : 131,351.16 = 59,418.42 : x
  2. Step 2: Convert to fraction form
    87,568.38/131,351.16 = 59,418.42/x
  3. Step 3: Cross multiply
    87,568.38x = 131,351.16 × 59,418.42
  4. Step 4: Simplify right side
    87,568.38x = 7,804,678,392.37
  5. Step 5: Solve for x
    x = 7,804,678,392.37/87,568.38
  6. Step 6: Final answer
    x = 89,126.67

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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.