Home / 80,994.29-121,556.43-36,624.92

Finding the Fourth Proportional to 80,994.29, 121,556.43 and 36,624.92

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Solution

The fourth proportional to 80,994.29, 121,556.43 and 36,624.92 is: 54,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,994.29 : 121,556.43 = 36,624.92 : x
  2. Step 2: Convert to fraction form
    80,994.29/121,556.43 = 36,624.92/x
  3. Step 3: Cross multiply
    80,994.29x = 121,556.43 × 36,624.92
  4. Step 4: Simplify right side
    80,994.29x = 4,451,993,916.45
  5. Step 5: Solve for x
    x = 4,451,993,916.45/80,994.29
  6. Step 6: Final answer
    x = 54,966.77

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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.