Home / 79,496.32-109,705.44-43,689.28

Finding the Fourth Proportional to 79,496.32, 109,705.44 and 43,689.28

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Solution

The fourth proportional to 79,496.32, 109,705.44 and 43,689.28 is: 60,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,496.32 : 109,705.44 = 43,689.28 : x
  2. Step 2: Convert to fraction form
    79,496.32/109,705.44 = 43,689.28/x
  3. Step 3: Cross multiply
    79,496.32x = 109,705.44 × 43,689.28
  4. Step 4: Simplify right side
    79,496.32x = 4,792,951,685.68
  5. Step 5: Solve for x
    x = 4,792,951,685.68/79,496.32
  6. Step 6: Final answer
    x = 60,291.49

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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.