Home / 80,108.22-110,548.83-47,857.48

Finding the Fourth Proportional to 80,108.22, 110,548.83 and 47,857.48

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Solution

The fourth proportional to 80,108.22, 110,548.83 and 47,857.48 is: 66,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,108.22 : 110,548.83 = 47,857.48 : x
  2. Step 2: Convert to fraction form
    80,108.22/110,548.83 = 47,857.48/x
  3. Step 3: Cross multiply
    80,108.22x = 110,548.83 × 47,857.48
  4. Step 4: Simplify right side
    80,108.22x = 5,290,588,420.75
  5. Step 5: Solve for x
    x = 5,290,588,420.75/80,108.22
  6. Step 6: Final answer
    x = 66,043.02

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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.