Home / 79,427.66-109,610.93-43,618.43

Finding the Fourth Proportional to 79,427.66, 109,610.93 and 43,618.43

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Solution

The fourth proportional to 79,427.66, 109,610.93 and 43,618.43 is: 60,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.66 : 109,610.93 = 43,618.43 : x
  2. Step 2: Convert to fraction form
    79,427.66/109,610.93 = 43,618.43/x
  3. Step 3: Cross multiply
    79,427.66x = 109,610.93 × 43,618.43
  4. Step 4: Simplify right side
    79,427.66x = 4,781,057,060.51
  5. Step 5: Solve for x
    x = 4,781,057,060.51/79,427.66
  6. Step 6: Final answer
    x = 60,193.86

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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.