Home / 79,785.24-110,102.40-43,974.60

Finding the Fourth Proportional to 79,785.24, 110,102.40 and 43,974.60

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Solution

The fourth proportional to 79,785.24, 110,102.40 and 43,974.60 is: 60,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785.24 : 110,102.40 = 43,974.60 : x
  2. Step 2: Convert to fraction form
    79,785.24/110,102.40 = 43,974.60/x
  3. Step 3: Cross multiply
    79,785.24x = 110,102.40 × 43,974.60
  4. Step 4: Simplify right side
    79,785.24x = 4,841,708,999.04
  5. Step 5: Solve for x
    x = 4,841,708,999.04/79,785.24
  6. Step 6: Final answer
    x = 60,684.27

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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.