Home / 79,286.44-109,398.16-45,733

Finding the Fourth Proportional to 79,286.44, 109,398.16 and 45,733

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Solution

The fourth proportional to 79,286.44, 109,398.16 and 45,733 is: 63,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286.44 : 109,398.16 = 45,733 : x
  2. Step 2: Convert to fraction form
    79,286.44/109,398.16 = 45,733/x
  3. Step 3: Cross multiply
    79,286.44x = 109,398.16 × 45,733
  4. Step 4: Simplify right side
    79,286.44x = 5,003,106,051.28
  5. Step 5: Solve for x
    x = 5,003,106,051.28/79,286.44
  6. Step 6: Final answer
    x = 63,101.66

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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.