Home / 79,193.77-109,287.45-43,385.08

Finding the Fourth Proportional to 79,193.77, 109,287.45 and 43,385.08

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Solution

The fourth proportional to 79,193.77, 109,287.45 and 43,385.08 is: 59,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.77 : 109,287.45 = 43,385.08 : x
  2. Step 2: Convert to fraction form
    79,193.77/109,287.45 = 43,385.08/x
  3. Step 3: Cross multiply
    79,193.77x = 109,287.45 × 43,385.08
  4. Step 4: Simplify right side
    79,193.77x = 4,741,444,761.25
  5. Step 5: Solve for x
    x = 4,741,444,761.25/79,193.77
  6. Step 6: Final answer
    x = 59,871.44

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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.