Home / 86,361.42-119,176.86-48,120.96

Finding the Fourth Proportional to 86,361.42, 119,176.86 and 48,120.96

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Solution

The fourth proportional to 86,361.42, 119,176.86 and 48,120.96 is: 66,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,361.42 : 119,176.86 = 48,120.96 : x
  2. Step 2: Convert to fraction form
    86,361.42/119,176.86 = 48,120.96/x
  3. Step 3: Cross multiply
    86,361.42x = 119,176.86 × 48,120.96
  4. Step 4: Simplify right side
    86,361.42x = 5,734,904,912.99
  5. Step 5: Solve for x
    x = 5,734,904,912.99/86,361.42
  6. Step 6: Final answer
    x = 66,405.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.