Home / 79,462.07-119,192.99-20,297.76

Finding the Fourth Proportional to 79,462.07, 119,192.99 and 20,297.76

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Solution

The fourth proportional to 79,462.07, 119,192.99 and 20,297.76 is: 30,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,462.07 : 119,192.99 = 20,297.76 : x
  2. Step 2: Convert to fraction form
    79,462.07/119,192.99 = 20,297.76/x
  3. Step 3: Cross multiply
    79,462.07x = 119,192.99 × 20,297.76
  4. Step 4: Simplify right side
    79,462.07x = 2,419,350,755.45
  5. Step 5: Solve for x
    x = 2,419,350,755.45/79,462.07
  6. Step 6: Final answer
    x = 30,446.61

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1.5x scale

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.