Home / 40,343.74-60,515.30-10,763.96

Finding the Fourth Proportional to 40,343.74, 60,515.30 and 10,763.96

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Solution

The fourth proportional to 40,343.74, 60,515.30 and 10,763.96 is: 16,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.74 : 60,515.30 = 10,763.96 : x
  2. Step 2: Convert to fraction form
    40,343.74/60,515.30 = 10,763.96/x
  3. Step 3: Cross multiply
    40,343.74x = 60,515.30 × 10,763.96
  4. Step 4: Simplify right side
    40,343.74x = 651,383,992.92
  5. Step 5: Solve for x
    x = 651,383,992.92/40,343.74
  6. Step 6: Final answer
    x = 16,145.85

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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.