Home / 99,633.26-149,346.09-43,458.29

Finding the Fourth Proportional to 99,633.26, 149,346.09 and 43,458.29

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Solution

The fourth proportional to 99,633.26, 149,346.09 and 43,458.29 is: 65,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633.26 : 149,346.09 = 43,458.29 : x
  2. Step 2: Convert to fraction form
    99,633.26/149,346.09 = 43,458.29/x
  3. Step 3: Cross multiply
    99,633.26x = 149,346.09 × 43,458.29
  4. Step 4: Simplify right side
    99,633.26x = 6,490,324,942.86
  5. Step 5: Solve for x
    x = 6,490,324,942.86/99,633.26
  6. Step 6: Final answer
    x = 65,142.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.