Home / 79,174.48-109,260.78-43,364.44

Finding the Fourth Proportional to 79,174.48, 109,260.78 and 43,364.44

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Solution

The fourth proportional to 79,174.48, 109,260.78 and 43,364.44 is: 59,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174.48 : 109,260.78 = 43,364.44 : x
  2. Step 2: Convert to fraction form
    79,174.48/109,260.78 = 43,364.44/x
  3. Step 3: Cross multiply
    79,174.48x = 109,260.78 × 43,364.44
  4. Step 4: Simplify right side
    79,174.48x = 4,738,032,538.66
  5. Step 5: Solve for x
    x = 4,738,032,538.66/79,174.48
  6. Step 6: Final answer
    x = 59,842.93

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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.