Home / 43,711.36-65,569.92-12,546.88

Finding the Fourth Proportional to 43,711.36, 65,569.92 and 12,546.88

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Solution

The fourth proportional to 43,711.36, 65,569.92 and 12,546.88 is: 18,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,711.36 : 65,569.92 = 12,546.88 : x
  2. Step 2: Convert to fraction form
    43,711.36/65,569.92 = 12,546.88/x
  3. Step 3: Cross multiply
    43,711.36x = 65,569.92 × 12,546.88
  4. Step 4: Simplify right side
    43,711.36x = 822,697,917.85
  5. Step 5: Solve for x
    x = 822,697,917.85/43,711.36
  6. Step 6: Final answer
    x = 18,821.15

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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.