Home / 121,471.46-182,035.88-57,361.18

Finding the Fourth Proportional to 121,471.46, 182,035.88 and 57,361.18

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Solution

The fourth proportional to 121,471.46, 182,035.88 and 57,361.18 is: 85,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,471.46 : 182,035.88 = 57,361.18 : x
  2. Step 2: Convert to fraction form
    121,471.46/182,035.88 = 57,361.18/x
  3. Step 3: Cross multiply
    121,471.46x = 182,035.88 × 57,361.18
  4. Step 4: Simplify right side
    121,471.46x = 10,441,792,879.14
  5. Step 5: Solve for x
    x = 10,441,792,879.14/121,471.46
  6. Step 6: Final answer
    x = 85,960.87

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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.