Home / 89,604.06-123,664.23-51,879.66

Finding the Fourth Proportional to 89,604.06, 123,664.23 and 51,879.66

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Solution

The fourth proportional to 89,604.06, 123,664.23 and 51,879.66 is: 71,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,604.06 : 123,664.23 = 51,879.66 : x
  2. Step 2: Convert to fraction form
    89,604.06/123,664.23 = 51,879.66/x
  3. Step 3: Cross multiply
    89,604.06x = 123,664.23 × 51,879.66
  4. Step 4: Simplify right side
    89,604.06x = 6,415,658,206.56
  5. Step 5: Solve for x
    x = 6,415,658,206.56/89,604.06
  6. Step 6: Final answer
    x = 71,600.08

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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.