Home / 89,127.38-122,992.26-53,296.04

Finding the Fourth Proportional to 89,127.38, 122,992.26 and 53,296.04

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Solution

The fourth proportional to 89,127.38, 122,992.26 and 53,296.04 is: 73,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.38 : 122,992.26 = 53,296.04 : x
  2. Step 2: Convert to fraction form
    89,127.38/122,992.26 = 53,296.04/x
  3. Step 3: Cross multiply
    89,127.38x = 122,992.26 × 53,296.04
  4. Step 4: Simplify right side
    89,127.38x = 6,555,000,408.65
  5. Step 5: Solve for x
    x = 6,555,000,408.65/89,127.38
  6. Step 6: Final answer
    x = 73,546.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.