Home / 79,788.28-110,102.82-43,976.32

Finding the Fourth Proportional to 79,788.28, 110,102.82 and 43,976.32

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Solution

The fourth proportional to 79,788.28, 110,102.82 and 43,976.32 is: 60,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788.28 : 110,102.82 = 43,976.32 : x
  2. Step 2: Convert to fraction form
    79,788.28/110,102.82 = 43,976.32/x
  3. Step 3: Cross multiply
    79,788.28x = 110,102.82 × 43,976.32
  4. Step 4: Simplify right side
    79,788.28x = 4,841,916,845.22
  5. Step 5: Solve for x
    x = 4,841,916,845.22/79,788.28
  6. Step 6: Final answer
    x = 60,684.56

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1.5x scale

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.