Home / 57,671.28-85,933.68-51,383.04

Finding the Fourth Proportional to 57,671.28, 85,933.68 and 51,383.04

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Solution

The fourth proportional to 57,671.28, 85,933.68 and 51,383.04 is: 76,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.28 : 85,933.68 = 51,383.04 : x
  2. Step 2: Convert to fraction form
    57,671.28/85,933.68 = 51,383.04/x
  3. Step 3: Cross multiply
    57,671.28x = 85,933.68 × 51,383.04
  4. Step 4: Simplify right side
    57,671.28x = 4,415,533,716.79
  5. Step 5: Solve for x
    x = 4,415,533,716.79/57,671.28
  6. Step 6: Final answer
    x = 76,563.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.