Home / 80,550.60-111,156.76-44,742.92

Finding the Fourth Proportional to 80,550.60, 111,156.76 and 44,742.92

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Solution

The fourth proportional to 80,550.60, 111,156.76 and 44,742.92 is: 61,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.60 : 111,156.76 = 44,742.92 : x
  2. Step 2: Convert to fraction form
    80,550.60/111,156.76 = 44,742.92/x
  3. Step 3: Cross multiply
    80,550.60x = 111,156.76 × 44,742.92
  4. Step 4: Simplify right side
    80,550.60x = 4,973,478,020.14
  5. Step 5: Solve for x
    x = 4,973,478,020.14/80,550.60
  6. Step 6: Final answer
    x = 61,743.53

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Double scale
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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.