Home / 99,956.03-149,782.77-43,764.71

Finding the Fourth Proportional to 99,956.03, 149,782.77 and 43,764.71

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Solution

The fourth proportional to 99,956.03, 149,782.77 and 43,764.71 is: 65,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,956.03 : 149,782.77 = 43,764.71 : x
  2. Step 2: Convert to fraction form
    99,956.03/149,782.77 = 43,764.71/x
  3. Step 3: Cross multiply
    99,956.03x = 149,782.77 × 43,764.71
  4. Step 4: Simplify right side
    99,956.03x = 6,555,198,743.13
  5. Step 5: Solve for x
    x = 6,555,198,743.13/99,956.03
  6. Step 6: Final answer
    x = 65,580.83

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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.