Home / 80,901.41-111,644.47-45,093.69

Finding the Fourth Proportional to 80,901.41, 111,644.47 and 45,093.69

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Solution

The fourth proportional to 80,901.41, 111,644.47 and 45,093.69 is: 62,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901.41 : 111,644.47 = 45,093.69 : x
  2. Step 2: Convert to fraction form
    80,901.41/111,644.47 = 45,093.69/x
  3. Step 3: Cross multiply
    80,901.41x = 111,644.47 × 45,093.69
  4. Step 4: Simplify right side
    80,901.41x = 5,034,461,426.33
  5. Step 5: Solve for x
    x = 5,034,461,426.33/80,901.41
  6. Step 6: Final answer
    x = 62,229.59

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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.