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Finding the Fourth Proportional to 80,597.99, 111,220.12 and 44,785.86

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Solution

The fourth proportional to 80,597.99, 111,220.12 and 44,785.86 is: 61,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,597.99 : 111,220.12 = 44,785.86 : x
  2. Step 2: Convert to fraction form
    80,597.99/111,220.12 = 44,785.86/x
  3. Step 3: Cross multiply
    80,597.99x = 111,220.12 × 44,785.86
  4. Step 4: Simplify right side
    80,597.99x = 4,981,088,988.02
  5. Step 5: Solve for x
    x = 4,981,088,988.02/80,597.99
  6. Step 6: Final answer
    x = 61,801.66

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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.