Home / 57,353.03-79,148.25-31,861.79

Finding the Fourth Proportional to 57,353.03, 79,148.25 and 31,861.79

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Solution

The fourth proportional to 57,353.03, 79,148.25 and 31,861.79 is: 43,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.03 : 79,148.25 = 31,861.79 : x
  2. Step 2: Convert to fraction form
    57,353.03/79,148.25 = 31,861.79/x
  3. Step 3: Cross multiply
    57,353.03x = 79,148.25 × 31,861.79
  4. Step 4: Simplify right side
    57,353.03x = 2,521,804,524.63
  5. Step 5: Solve for x
    x = 2,521,804,524.63/57,353.03
  6. Step 6: Final answer
    x = 43,969.86

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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.