Home / 79,550.14-109,779.24-43,742.56

Finding the Fourth Proportional to 79,550.14, 109,779.24 and 43,742.56

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Solution

The fourth proportional to 79,550.14, 109,779.24 and 43,742.56 is: 60,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,550.14 : 109,779.24 = 43,742.56 : x
  2. Step 2: Convert to fraction form
    79,550.14/109,779.24 = 43,742.56/x
  3. Step 3: Cross multiply
    79,550.14x = 109,779.24 × 43,742.56
  4. Step 4: Simplify right side
    79,550.14x = 4,802,024,992.45
  5. Step 5: Solve for x
    x = 4,802,024,992.45/79,550.14
  6. Step 6: Final answer
    x = 60,364.76

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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.