Home / 79,180.61-109,280.11-48,548.28

Finding the Fourth Proportional to 79,180.61, 109,280.11 and 48,548.28

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Solution

The fourth proportional to 79,180.61, 109,280.11 and 48,548.28 is: 67,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.61 : 109,280.11 = 48,548.28 : x
  2. Step 2: Convert to fraction form
    79,180.61/109,280.11 = 48,548.28/x
  3. Step 3: Cross multiply
    79,180.61x = 109,280.11 × 48,548.28
  4. Step 4: Simplify right side
    79,180.61x = 5,305,361,849.20
  5. Step 5: Solve for x
    x = 5,305,361,849.20/79,180.61
  6. Step 6: Final answer
    x = 67,003.30

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1.5x scale

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.