Home / 87,900.96-131,852.27-21,341.67

Finding the Fourth Proportional to 87,900.96, 131,852.27 and 21,341.67

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Solution

The fourth proportional to 87,900.96, 131,852.27 and 21,341.67 is: 32,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,900.96 : 131,852.27 = 21,341.67 : x
  2. Step 2: Convert to fraction form
    87,900.96/131,852.27 = 21,341.67/x
  3. Step 3: Cross multiply
    87,900.96x = 131,852.27 × 21,341.67
  4. Step 4: Simplify right side
    87,900.96x = 2,813,947,635.09
  5. Step 5: Solve for x
    x = 2,813,947,635.09/87,900.96
  6. Step 6: Final answer
    x = 32,012.71

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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.