Home / 80,550.52-111,156.64-44,742.85

Finding the Fourth Proportional to 80,550.52, 111,156.64 and 44,742.85

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Solution

The fourth proportional to 80,550.52, 111,156.64 and 44,742.85 is: 61,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.52 : 111,156.64 = 44,742.85 : x
  2. Step 2: Convert to fraction form
    80,550.52/111,156.64 = 44,742.85/x
  3. Step 3: Cross multiply
    80,550.52x = 111,156.64 × 44,742.85
  4. Step 4: Simplify right side
    80,550.52x = 4,973,464,480.28
  5. Step 5: Solve for x
    x = 4,973,464,480.28/80,550.52
  6. Step 6: Final answer
    x = 61,743.42

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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.