Home / 89,615.24-134,443.26-27,290.60

Finding the Fourth Proportional to 89,615.24, 134,443.26 and 27,290.60

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Solution

The fourth proportional to 89,615.24, 134,443.26 and 27,290.60 is: 40,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,615.24 : 134,443.26 = 27,290.60 : x
  2. Step 2: Convert to fraction form
    89,615.24/134,443.26 = 27,290.60/x
  3. Step 3: Cross multiply
    89,615.24x = 134,443.26 × 27,290.60
  4. Step 4: Simplify right side
    89,615.24x = 3,669,037,231.36
  5. Step 5: Solve for x
    x = 3,669,037,231.36/89,615.24
  6. Step 6: Final answer
    x = 40,942.11

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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.