Home / 87,823.74-131,776.37-27,861.67

Finding the Fourth Proportional to 87,823.74, 131,776.37 and 27,861.67

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Solution

The fourth proportional to 87,823.74, 131,776.37 and 27,861.67 is: 41,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.74 : 131,776.37 = 27,861.67 : x
  2. Step 2: Convert to fraction form
    87,823.74/131,776.37 = 27,861.67/x
  3. Step 3: Cross multiply
    87,823.74x = 131,776.37 × 27,861.67
  4. Step 4: Simplify right side
    87,823.74x = 3,671,509,864.63
  5. Step 5: Solve for x
    x = 3,671,509,864.63/87,823.74
  6. Step 6: Final answer
    x = 41,805.44

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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.