Home / 81,753.33-112,815.93-47,764.95

Finding the Fourth Proportional to 81,753.33, 112,815.93 and 47,764.95

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Solution

The fourth proportional to 81,753.33, 112,815.93 and 47,764.95 is: 65,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,753.33 : 112,815.93 = 47,764.95 : x
  2. Step 2: Convert to fraction form
    81,753.33/112,815.93 = 47,764.95/x
  3. Step 3: Cross multiply
    81,753.33x = 112,815.93 × 47,764.95
  4. Step 4: Simplify right side
    81,753.33x = 5,388,647,255.65
  5. Step 5: Solve for x
    x = 5,388,647,255.65/81,753.33
  6. Step 6: Final answer
    x = 65,913.49

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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.