Home / 89,260.88-123,181.32-51,028.40

Finding the Fourth Proportional to 89,260.88, 123,181.32 and 51,028.40

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Solution

The fourth proportional to 89,260.88, 123,181.32 and 51,028.40 is: 70,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,260.88 : 123,181.32 = 51,028.40 : x
  2. Step 2: Convert to fraction form
    89,260.88/123,181.32 = 51,028.40/x
  3. Step 3: Cross multiply
    89,260.88x = 123,181.32 × 51,028.40
  4. Step 4: Simplify right side
    89,260.88x = 6,285,745,669.49
  5. Step 5: Solve for x
    x = 6,285,745,669.49/89,260.88
  6. Step 6: Final answer
    x = 70,419.94

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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.