Home / 79,515.37-109,734.09-43,708.10

Finding the Fourth Proportional to 79,515.37, 109,734.09 and 43,708.10

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Solution

The fourth proportional to 79,515.37, 109,734.09 and 43,708.10 is: 60,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515.37 : 109,734.09 = 43,708.10 : x
  2. Step 2: Convert to fraction form
    79,515.37/109,734.09 = 43,708.10/x
  3. Step 3: Cross multiply
    79,515.37x = 109,734.09 × 43,708.10
  4. Step 4: Simplify right side
    79,515.37x = 4,796,268,579.13
  5. Step 5: Solve for x
    x = 4,796,268,579.13/79,515.37
  6. Step 6: Final answer
    x = 60,318.76

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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.