Home / 87,859.56-131,823.90-38,577

Finding the Fourth Proportional to 87,859.56, 131,823.90 and 38,577

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Solution

The fourth proportional to 87,859.56, 131,823.90 and 38,577 is: 57,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,859.56 : 131,823.90 = 38,577 : x
  2. Step 2: Convert to fraction form
    87,859.56/131,823.90 = 38,577/x
  3. Step 3: Cross multiply
    87,859.56x = 131,823.90 × 38,577
  4. Step 4: Simplify right side
    87,859.56x = 5,085,370,590.30
  5. Step 5: Solve for x
    x = 5,085,370,590.30/87,859.56
  6. Step 6: Final answer
    x = 57,880.67

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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.