Home / 80,825.92-111,543.22-45,015.94

Finding the Fourth Proportional to 80,825.92, 111,543.22 and 45,015.94

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Solution

The fourth proportional to 80,825.92, 111,543.22 and 45,015.94 is: 62,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825.92 : 111,543.22 = 45,015.94 : x
  2. Step 2: Convert to fraction form
    80,825.92/111,543.22 = 45,015.94/x
  3. Step 3: Cross multiply
    80,825.92x = 111,543.22 × 45,015.94
  4. Step 4: Simplify right side
    80,825.92x = 5,021,222,898.93
  5. Step 5: Solve for x
    x = 5,021,222,898.93/80,825.92
  6. Step 6: Final answer
    x = 62,123.92

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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.