Home / 89,268.78-123,183.08-51,020.74

Finding the Fourth Proportional to 89,268.78, 123,183.08 and 51,020.74

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Solution

The fourth proportional to 89,268.78, 123,183.08 and 51,020.74 is: 70,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,268.78 : 123,183.08 = 51,020.74 : x
  2. Step 2: Convert to fraction form
    89,268.78/123,183.08 = 51,020.74/x
  3. Step 3: Cross multiply
    89,268.78x = 123,183.08 × 51,020.74
  4. Step 4: Simplify right side
    89,268.78x = 6,284,891,334.02
  5. Step 5: Solve for x
    x = 6,284,891,334.02/89,268.78
  6. Step 6: Final answer
    x = 70,404.14

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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.