Home / 80,513.80-111,109.26-44,703.88

Finding the Fourth Proportional to 80,513.80, 111,109.26 and 44,703.88

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Solution

The fourth proportional to 80,513.80, 111,109.26 and 44,703.88 is: 61,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,513.80 : 111,109.26 = 44,703.88 : x
  2. Step 2: Convert to fraction form
    80,513.80/111,109.26 = 44,703.88/x
  3. Step 3: Cross multiply
    80,513.80x = 111,109.26 × 44,703.88
  4. Step 4: Simplify right side
    80,513.80x = 4,967,015,025.93
  5. Step 5: Solve for x
    x = 4,967,015,025.93/80,513.80
  6. Step 6: Final answer
    x = 61,691.47

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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.