Home / 89,504.88-123,519.44-49,216.56

Finding the Fourth Proportional to 89,504.88, 123,519.44 and 49,216.56

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Solution

The fourth proportional to 89,504.88, 123,519.44 and 49,216.56 is: 67,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,504.88 : 123,519.44 = 49,216.56 : x
  2. Step 2: Convert to fraction form
    89,504.88/123,519.44 = 49,216.56/x
  3. Step 3: Cross multiply
    89,504.88x = 123,519.44 × 49,216.56
  4. Step 4: Simplify right side
    89,504.88x = 6,079,201,929.93
  5. Step 5: Solve for x
    x = 6,079,201,929.93/89,504.88
  6. Step 6: Final answer
    x = 67,920.34

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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.