Home / 80,901.49-111,644.60-45,093.80

Finding the Fourth Proportional to 80,901.49, 111,644.60 and 45,093.80

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Solution

The fourth proportional to 80,901.49, 111,644.60 and 45,093.80 is: 62,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901.49 : 111,644.60 = 45,093.80 : x
  2. Step 2: Convert to fraction form
    80,901.49/111,644.60 = 45,093.80/x
  3. Step 3: Cross multiply
    80,901.49x = 111,644.60 × 45,093.80
  4. Step 4: Simplify right side
    80,901.49x = 5,034,479,263.48
  5. Step 5: Solve for x
    x = 5,034,479,263.48/80,901.49
  6. Step 6: Final answer
    x = 62,229.75

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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.