Home / 76,934.48-106,174.93-42,949.65

Finding the Fourth Proportional to 76,934.48, 106,174.93 and 42,949.65

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Solution

The fourth proportional to 76,934.48, 106,174.93 and 42,949.65 is: 59,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,934.48 : 106,174.93 = 42,949.65 : x
  2. Step 2: Convert to fraction form
    76,934.48/106,174.93 = 42,949.65/x
  3. Step 3: Cross multiply
    76,934.48x = 106,174.93 × 42,949.65
  4. Step 4: Simplify right side
    76,934.48x = 4,560,175,974.90
  5. Step 5: Solve for x
    x = 4,560,175,974.90/76,934.48
  6. Step 6: Final answer
    x = 59,273.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.