Home / 76,163.64-114,268.82-34,079.15

Finding the Fourth Proportional to 76,163.64, 114,268.82 and 34,079.15

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Solution

The fourth proportional to 76,163.64, 114,268.82 and 34,079.15 is: 51,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,163.64 : 114,268.82 = 34,079.15 : x
  2. Step 2: Convert to fraction form
    76,163.64/114,268.82 = 34,079.15/x
  3. Step 3: Cross multiply
    76,163.64x = 114,268.82 × 34,079.15
  4. Step 4: Simplify right side
    76,163.64x = 3,894,183,515.36
  5. Step 5: Solve for x
    x = 3,894,183,515.36/76,163.64
  6. Step 6: Final answer
    x = 51,129.17

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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.