Home / 79,785.23-110,102.15-43,974.32

Finding the Fourth Proportional to 79,785.23, 110,102.15 and 43,974.32

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Solution

The fourth proportional to 79,785.23, 110,102.15 and 43,974.32 is: 60,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785.23 : 110,102.15 = 43,974.32 : x
  2. Step 2: Convert to fraction form
    79,785.23/110,102.15 = 43,974.32/x
  3. Step 3: Cross multiply
    79,785.23x = 110,102.15 × 43,974.32
  4. Step 4: Simplify right side
    79,785.23x = 4,841,666,736.21
  5. Step 5: Solve for x
    x = 4,841,666,736.21/79,785.23
  6. Step 6: Final answer
    x = 60,683.75

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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.