Home / 89,743.16-123,846.04-51,499.66

Finding the Fourth Proportional to 89,743.16, 123,846.04 and 51,499.66

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Solution

The fourth proportional to 89,743.16, 123,846.04 and 51,499.66 is: 71,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.16 : 123,846.04 = 51,499.66 : x
  2. Step 2: Convert to fraction form
    89,743.16/123,846.04 = 51,499.66/x
  3. Step 3: Cross multiply
    89,743.16x = 123,846.04 × 51,499.66
  4. Step 4: Simplify right side
    89,743.16x = 6,378,028,707.11
  5. Step 5: Solve for x
    x = 6,378,028,707.11/89,743.16
  6. Step 6: Final answer
    x = 71,069.81

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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.