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Finding the Fourth Proportional to 80,057.85, 110,485.55 and 44,247.09

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Solution

The fourth proportional to 80,057.85, 110,485.55 and 44,247.09 is: 61,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,057.85 : 110,485.55 = 44,247.09 : x
  2. Step 2: Convert to fraction form
    80,057.85/110,485.55 = 44,247.09/x
  3. Step 3: Cross multiply
    80,057.85x = 110,485.55 × 44,247.09
  4. Step 4: Simplify right side
    80,057.85x = 4,888,663,300.89
  5. Step 5: Solve for x
    x = 4,888,663,300.89/80,057.85
  6. Step 6: Final answer
    x = 61,064.14

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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.