Home / 79,768.02-110,078.45-43,469.79

Finding the Fourth Proportional to 79,768.02, 110,078.45 and 43,469.79

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Solution

The fourth proportional to 79,768.02, 110,078.45 and 43,469.79 is: 59,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768.02 : 110,078.45 = 43,469.79 : x
  2. Step 2: Convert to fraction form
    79,768.02/110,078.45 = 43,469.79/x
  3. Step 3: Cross multiply
    79,768.02x = 110,078.45 × 43,469.79
  4. Step 4: Simplify right side
    79,768.02x = 4,785,086,554.63
  5. Step 5: Solve for x
    x = 4,785,086,554.63/79,768.02
  6. Step 6: Final answer
    x = 59,987.53

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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.