Home / 79,260.32-109,379.34-43,451.64

Finding the Fourth Proportional to 79,260.32, 109,379.34 and 43,451.64

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Solution

The fourth proportional to 79,260.32, 109,379.34 and 43,451.64 is: 59,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260.32 : 109,379.34 = 43,451.64 : x
  2. Step 2: Convert to fraction form
    79,260.32/109,379.34 = 43,451.64/x
  3. Step 3: Cross multiply
    79,260.32x = 109,379.34 × 43,451.64
  4. Step 4: Simplify right side
    79,260.32x = 4,752,711,705.12
  5. Step 5: Solve for x
    x = 4,752,711,705.12/79,260.32
  6. Step 6: Final answer
    x = 59,963.32

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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.