Home / 79,557.26-109,789.40-43,749.59

Finding the Fourth Proportional to 79,557.26, 109,789.40 and 43,749.59

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Solution

The fourth proportional to 79,557.26, 109,789.40 and 43,749.59 is: 60,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,557.26 : 109,789.40 = 43,749.59 : x
  2. Step 2: Convert to fraction form
    79,557.26/109,789.40 = 43,749.59/x
  3. Step 3: Cross multiply
    79,557.26x = 109,789.40 × 43,749.59
  4. Step 4: Simplify right side
    79,557.26x = 4,803,240,796.77
  5. Step 5: Solve for x
    x = 4,803,240,796.77/79,557.26
  6. Step 6: Final answer
    x = 60,374.64

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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.