Home / 80,299.44-120,424.86-58,050.36

Finding the Fourth Proportional to 80,299.44, 120,424.86 and 58,050.36

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Solution

The fourth proportional to 80,299.44, 120,424.86 and 58,050.36 is: 87,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,299.44 : 120,424.86 = 58,050.36 : x
  2. Step 2: Convert to fraction form
    80,299.44/120,424.86 = 58,050.36/x
  3. Step 3: Cross multiply
    80,299.44x = 120,424.86 × 58,050.36
  4. Step 4: Simplify right side
    80,299.44x = 6,990,706,475.95
  5. Step 5: Solve for x
    x = 6,990,706,475.95/80,299.44
  6. Step 6: Final answer
    x = 87,057.97

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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.