Home / 89,447.78-123,437.99-49,161.22

Finding the Fourth Proportional to 89,447.78, 123,437.99 and 49,161.22

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Solution

The fourth proportional to 89,447.78, 123,437.99 and 49,161.22 is: 67,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,447.78 : 123,437.99 = 49,161.22 : x
  2. Step 2: Convert to fraction form
    89,447.78/123,437.99 = 49,161.22/x
  3. Step 3: Cross multiply
    89,447.78x = 123,437.99 × 49,161.22
  4. Step 4: Simplify right side
    89,447.78x = 6,068,362,182.75
  5. Step 5: Solve for x
    x = 6,068,362,182.75/89,447.78
  6. Step 6: Final answer
    x = 67,842.51

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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.