Home / 78,046.44-117,105.21-33,080.10

Finding the Fourth Proportional to 78,046.44, 117,105.21 and 33,080.10

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Solution

The fourth proportional to 78,046.44, 117,105.21 and 33,080.10 is: 49,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,046.44 : 117,105.21 = 33,080.10 : x
  2. Step 2: Convert to fraction form
    78,046.44/117,105.21 = 33,080.10/x
  3. Step 3: Cross multiply
    78,046.44x = 117,105.21 × 33,080.10
  4. Step 4: Simplify right side
    78,046.44x = 3,873,852,057.32
  5. Step 5: Solve for x
    x = 3,873,852,057.32/78,046.44
  6. Step 6: Final answer
    x = 49,635.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.