Home / 89,340.12-134,029.62-27,009

Finding the Fourth Proportional to 89,340.12, 134,029.62 and 27,009

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Solution

The fourth proportional to 89,340.12, 134,029.62 and 27,009 is: 40,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,340.12 : 134,029.62 = 27,009 : x
  2. Step 2: Convert to fraction form
    89,340.12/134,029.62 = 27,009/x
  3. Step 3: Cross multiply
    89,340.12x = 134,029.62 × 27,009
  4. Step 4: Simplify right side
    89,340.12x = 3,620,006,006.58
  5. Step 5: Solve for x
    x = 3,620,006,006.58/89,340.12
  6. Step 6: Final answer
    x = 40,519.38

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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.