Home / 79,085.88-118,629.30-23,682.36

Finding the Fourth Proportional to 79,085.88, 118,629.30 and 23,682.36

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Solution

The fourth proportional to 79,085.88, 118,629.30 and 23,682.36 is: 35,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,085.88 : 118,629.30 = 23,682.36 : x
  2. Step 2: Convert to fraction form
    79,085.88/118,629.30 = 23,682.36/x
  3. Step 3: Cross multiply
    79,085.88x = 118,629.30 × 23,682.36
  4. Step 4: Simplify right side
    79,085.88x = 2,809,421,789.15
  5. Step 5: Solve for x
    x = 2,809,421,789.15/79,085.88
  6. Step 6: Final answer
    x = 35,523.68

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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.