Home / 80,220.96-110,705.04-47,976.48

Finding the Fourth Proportional to 80,220.96, 110,705.04 and 47,976.48

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Solution

The fourth proportional to 80,220.96, 110,705.04 and 47,976.48 is: 66,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,220.96 : 110,705.04 = 47,976.48 : x
  2. Step 2: Convert to fraction form
    80,220.96/110,705.04 = 47,976.48/x
  3. Step 3: Cross multiply
    80,220.96x = 110,705.04 × 47,976.48
  4. Step 4: Simplify right side
    80,220.96x = 5,311,238,137.46
  5. Step 5: Solve for x
    x = 5,311,238,137.46/80,220.96
  6. Step 6: Final answer
    x = 66,207.61

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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.