Home / 76,489.37-114,716.73-29,087.57

Finding the Fourth Proportional to 76,489.37, 114,716.73 and 29,087.57

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Solution

The fourth proportional to 76,489.37, 114,716.73 and 29,087.57 is: 43,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,489.37 : 114,716.73 = 29,087.57 : x
  2. Step 2: Convert to fraction form
    76,489.37/114,716.73 = 29,087.57/x
  3. Step 3: Cross multiply
    76,489.37x = 114,716.73 × 29,087.57
  4. Step 4: Simplify right side
    76,489.37x = 3,336,830,914.05
  5. Step 5: Solve for x
    x = 3,336,830,914.05/76,489.37
  6. Step 6: Final answer
    x = 43,624.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.