Home / 89,331.89-123,253.95-51,083.56

Finding the Fourth Proportional to 89,331.89, 123,253.95 and 51,083.56

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Solution

The fourth proportional to 89,331.89, 123,253.95 and 51,083.56 is: 70,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,331.89 : 123,253.95 = 51,083.56 : x
  2. Step 2: Convert to fraction form
    89,331.89/123,253.95 = 51,083.56/x
  3. Step 3: Cross multiply
    89,331.89x = 123,253.95 × 51,083.56
  4. Step 4: Simplify right side
    89,331.89x = 6,296,250,550.06
  5. Step 5: Solve for x
    x = 6,296,250,550.06/89,331.89
  6. Step 6: Final answer
    x = 70,481.56

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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.