Home / 79,132.44-109,762.41-76,296.36

Finding the Fourth Proportional to 79,132.44, 109,762.41 and 76,296.36

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Solution

The fourth proportional to 79,132.44, 109,762.41 and 76,296.36 is: 105,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.44 : 109,762.41 = 76,296.36 : x
  2. Step 2: Convert to fraction form
    79,132.44/109,762.41 = 76,296.36/x
  3. Step 3: Cross multiply
    79,132.44x = 109,762.41 × 76,296.36
  4. Step 4: Simplify right side
    79,132.44x = 8,374,472,347.83
  5. Step 5: Solve for x
    x = 8,374,472,347.83/79,132.44
  6. Step 6: Final answer
    x = 105,828.56

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.