Home / 89,615.75-134,443.08-27,284.63

Finding the Fourth Proportional to 89,615.75, 134,443.08 and 27,284.63

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Solution

The fourth proportional to 89,615.75, 134,443.08 and 27,284.63 is: 40,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,615.75 : 134,443.08 = 27,284.63 : x
  2. Step 2: Convert to fraction form
    89,615.75/134,443.08 = 27,284.63/x
  3. Step 3: Cross multiply
    89,615.75x = 134,443.08 × 27,284.63
  4. Step 4: Simplify right side
    89,615.75x = 3,668,229,021.65
  5. Step 5: Solve for x
    x = 3,668,229,021.65/89,615.75
  6. Step 6: Final answer
    x = 40,932.86

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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.