Home / 87,262.35-131,090.36-52,226.61

Finding the Fourth Proportional to 87,262.35, 131,090.36 and 52,226.61

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Solution

The fourth proportional to 87,262.35, 131,090.36 and 52,226.61 is: 78,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.35 : 131,090.36 = 52,226.61 : x
  2. Step 2: Convert to fraction form
    87,262.35/131,090.36 = 52,226.61/x
  3. Step 3: Cross multiply
    87,262.35x = 131,090.36 × 52,226.61
  4. Step 4: Simplify right side
    87,262.35x = 6,846,405,106.48
  5. Step 5: Solve for x
    x = 6,846,405,106.48/87,262.35
  6. Step 6: Final answer
    x = 78,457.72

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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.