Home / 79,708.08-109,997.29-43,898.19

Finding the Fourth Proportional to 79,708.08, 109,997.29 and 43,898.19

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Solution

The fourth proportional to 79,708.08, 109,997.29 and 43,898.19 is: 60,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,708.08 : 109,997.29 = 43,898.19 : x
  2. Step 2: Convert to fraction form
    79,708.08/109,997.29 = 43,898.19/x
  3. Step 3: Cross multiply
    79,708.08x = 109,997.29 × 43,898.19
  4. Step 4: Simplify right side
    79,708.08x = 4,828,681,578.29
  5. Step 5: Solve for x
    x = 4,828,681,578.29/79,708.08
  6. Step 6: Final answer
    x = 60,579.57

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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.