Home / 89,542.32-134,321.04-27,213.36

Finding the Fourth Proportional to 89,542.32, 134,321.04 and 27,213.36

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Solution

The fourth proportional to 89,542.32, 134,321.04 and 27,213.36 is: 40,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.32 : 134,321.04 = 27,213.36 : x
  2. Step 2: Convert to fraction form
    89,542.32/134,321.04 = 27,213.36/x
  3. Step 3: Cross multiply
    89,542.32x = 134,321.04 × 27,213.36
  4. Step 4: Simplify right side
    89,542.32x = 3,655,326,817.09
  5. Step 5: Solve for x
    x = 3,655,326,817.09/89,542.32
  6. Step 6: Final answer
    x = 40,822.34

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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.