Home / 79,768.07-110,078.52-43,469.84

Finding the Fourth Proportional to 79,768.07, 110,078.52 and 43,469.84

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Solution

The fourth proportional to 79,768.07, 110,078.52 and 43,469.84 is: 59,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768.07 : 110,078.52 = 43,469.84 : x
  2. Step 2: Convert to fraction form
    79,768.07/110,078.52 = 43,469.84/x
  3. Step 3: Cross multiply
    79,768.07x = 110,078.52 × 43,469.84
  4. Step 4: Simplify right side
    79,768.07x = 4,785,095,159.29
  5. Step 5: Solve for x
    x = 4,785,095,159.29/79,768.07
  6. Step 6: Final answer
    x = 59,987.60

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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.