Home / 89,402.62-123,345.53-50,635.16

Finding the Fourth Proportional to 89,402.62, 123,345.53 and 50,635.16

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Solution

The fourth proportional to 89,402.62, 123,345.53 and 50,635.16 is: 69,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,402.62 : 123,345.53 = 50,635.16 : x
  2. Step 2: Convert to fraction form
    89,402.62/123,345.53 = 50,635.16/x
  3. Step 3: Cross multiply
    89,402.62x = 123,345.53 × 50,635.16
  4. Step 4: Simplify right side
    89,402.62x = 6,245,620,393.66
  5. Step 5: Solve for x
    x = 6,245,620,393.66/89,402.62
  6. Step 6: Final answer
    x = 69,859.48

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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.