Home / 79,180.64-109,280.15-48,548.31

Finding the Fourth Proportional to 79,180.64, 109,280.15 and 48,548.31

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Solution

The fourth proportional to 79,180.64, 109,280.15 and 48,548.31 is: 67,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.64 : 109,280.15 = 48,548.31 : x
  2. Step 2: Convert to fraction form
    79,180.64/109,280.15 = 48,548.31/x
  3. Step 3: Cross multiply
    79,180.64x = 109,280.15 × 48,548.31
  4. Step 4: Simplify right side
    79,180.64x = 5,305,366,356.30
  5. Step 5: Solve for x
    x = 5,305,366,356.30/79,180.64
  6. Step 6: Final answer
    x = 67,003.33

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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.