Home / 89,979.44-135,014.94-54,525.47

Finding the Fourth Proportional to 89,979.44, 135,014.94 and 54,525.47

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Solution

The fourth proportional to 89,979.44, 135,014.94 and 54,525.47 is: 81,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,979.44 : 135,014.94 = 54,525.47 : x
  2. Step 2: Convert to fraction form
    89,979.44/135,014.94 = 54,525.47/x
  3. Step 3: Cross multiply
    89,979.44x = 135,014.94 × 54,525.47
  4. Step 4: Simplify right side
    89,979.44x = 7,361,752,385.45
  5. Step 5: Solve for x
    x = 7,361,752,385.45/89,979.44
  6. Step 6: Final answer
    x = 81,815.94

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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.