Home / 73,165.17-109,742.31-26,418.09

Finding the Fourth Proportional to 73,165.17, 109,742.31 and 26,418.09

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Solution

The fourth proportional to 73,165.17, 109,742.31 and 26,418.09 is: 39,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,165.17 : 109,742.31 = 26,418.09 : x
  2. Step 2: Convert to fraction form
    73,165.17/109,742.31 = 26,418.09/x
  3. Step 3: Cross multiply
    73,165.17x = 109,742.31 × 26,418.09
  4. Step 4: Simplify right side
    73,165.17x = 2,899,182,222.39
  5. Step 5: Solve for x
    x = 2,899,182,222.39/73,165.17
  6. Step 6: Final answer
    x = 39,625.17

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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.