Home / 79,072.20-109,108.85-47,234.34

Finding the Fourth Proportional to 79,072.20, 109,108.85 and 47,234.34

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Solution

The fourth proportional to 79,072.20, 109,108.85 and 47,234.34 is: 65,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,072.20 : 109,108.85 = 47,234.34 : x
  2. Step 2: Convert to fraction form
    79,072.20/109,108.85 = 47,234.34/x
  3. Step 3: Cross multiply
    79,072.20x = 109,108.85 × 47,234.34
  4. Step 4: Simplify right side
    79,072.20x = 5,153,684,090.45
  5. Step 5: Solve for x
    x = 5,153,684,090.45/79,072.20
  6. Step 6: Final answer
    x = 65,176.94

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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.