Home / 76,196.73-114,305.81-31,813.38

Finding the Fourth Proportional to 76,196.73, 114,305.81 and 31,813.38

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Solution

The fourth proportional to 76,196.73, 114,305.81 and 31,813.38 is: 47,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,196.73 : 114,305.81 = 31,813.38 : x
  2. Step 2: Convert to fraction form
    76,196.73/114,305.81 = 31,813.38/x
  3. Step 3: Cross multiply
    76,196.73x = 114,305.81 × 31,813.38
  4. Step 4: Simplify right side
    76,196.73x = 3,636,454,010.67
  5. Step 5: Solve for x
    x = 3,636,454,010.67/76,196.73
  6. Step 6: Final answer
    x = 47,724.54

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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.