Home / 76,727.94-114,972.54-29,317.17

Finding the Fourth Proportional to 76,727.94, 114,972.54 and 29,317.17

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Solution

The fourth proportional to 76,727.94, 114,972.54 and 29,317.17 is: 43,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,727.94 : 114,972.54 = 29,317.17 : x
  2. Step 2: Convert to fraction form
    76,727.94/114,972.54 = 29,317.17/x
  3. Step 3: Cross multiply
    76,727.94x = 114,972.54 × 29,317.17
  4. Step 4: Simplify right side
    76,727.94x = 3,370,669,500.51
  5. Step 5: Solve for x
    x = 3,370,669,500.51/76,727.94
  6. Step 6: Final answer
    x = 43,930.14

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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.