Home / 57,359.05-79,152.60-31,867.03

Finding the Fourth Proportional to 57,359.05, 79,152.60 and 31,867.03

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Solution

The fourth proportional to 57,359.05, 79,152.60 and 31,867.03 is: 43,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,359.05 : 79,152.60 = 31,867.03 : x
  2. Step 2: Convert to fraction form
    57,359.05/79,152.60 = 31,867.03/x
  3. Step 3: Cross multiply
    57,359.05x = 79,152.60 × 31,867.03
  4. Step 4: Simplify right side
    57,359.05x = 2,522,358,278.78
  5. Step 5: Solve for x
    x = 2,522,358,278.78/57,359.05
  6. Step 6: Final answer
    x = 43,974.90

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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.