Home / 87,699.96-131,582.88-52,664.76

Finding the Fourth Proportional to 87,699.96, 131,582.88 and 52,664.76

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Solution

The fourth proportional to 87,699.96, 131,582.88 and 52,664.76 is: 79,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,699.96 : 131,582.88 = 52,664.76 : x
  2. Step 2: Convert to fraction form
    87,699.96/131,582.88 = 52,664.76/x
  3. Step 3: Cross multiply
    87,699.96x = 131,582.88 × 52,664.76
  4. Step 4: Simplify right side
    87,699.96x = 6,929,780,795.31
  5. Step 5: Solve for x
    x = 6,929,780,795.31/87,699.96
  6. Step 6: Final answer
    x = 79,016.92

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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.