Home / 57,414.14-79,270.18-51,345.56

Finding the Fourth Proportional to 57,414.14, 79,270.18 and 51,345.56

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Solution

The fourth proportional to 57,414.14, 79,270.18 and 51,345.56 is: 70,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.14 : 79,270.18 = 51,345.56 : x
  2. Step 2: Convert to fraction form
    57,414.14/79,270.18 = 51,345.56/x
  3. Step 3: Cross multiply
    57,414.14x = 79,270.18 × 51,345.56
  4. Step 4: Simplify right side
    57,414.14x = 4,070,171,783.40
  5. Step 5: Solve for x
    x = 4,070,171,783.40/57,414.14
  6. Step 6: Final answer
    x = 70,891.45

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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.