Home / 76,349.03-114,568.20-31,972.05

Finding the Fourth Proportional to 76,349.03, 114,568.20 and 31,972.05

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Solution

The fourth proportional to 76,349.03, 114,568.20 and 31,972.05 is: 47,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,349.03 : 114,568.20 = 31,972.05 : x
  2. Step 2: Convert to fraction form
    76,349.03/114,568.20 = 31,972.05/x
  3. Step 3: Cross multiply
    76,349.03x = 114,568.20 × 31,972.05
  4. Step 4: Simplify right side
    76,349.03x = 3,662,980,218.81
  5. Step 5: Solve for x
    x = 3,662,980,218.81/76,349.03
  6. Step 6: Final answer
    x = 47,976.78

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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.