Home / 89,743.03-123,845.87-51,499.53

Finding the Fourth Proportional to 89,743.03, 123,845.87 and 51,499.53

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Solution

The fourth proportional to 89,743.03, 123,845.87 and 51,499.53 is: 71,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.03 : 123,845.87 = 51,499.53 : x
  2. Step 2: Convert to fraction form
    89,743.03/123,845.87 = 51,499.53/x
  3. Step 3: Cross multiply
    89,743.03x = 123,845.87 × 51,499.53
  4. Step 4: Simplify right side
    89,743.03x = 6,378,004,407.06
  5. Step 5: Solve for x
    x = 6,378,004,407.06/89,743.03
  6. Step 6: Final answer
    x = 71,069.64

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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.