Home / 57,783.22-79,765.40-35,129.44

Finding the Fourth Proportional to 57,783.22, 79,765.40 and 35,129.44

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Solution

The fourth proportional to 57,783.22, 79,765.40 and 35,129.44 is: 48,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,783.22 : 79,765.40 = 35,129.44 : x
  2. Step 2: Convert to fraction form
    57,783.22/79,765.40 = 35,129.44/x
  3. Step 3: Cross multiply
    57,783.22x = 79,765.40 × 35,129.44
  4. Step 4: Simplify right side
    57,783.22x = 2,802,113,657.73
  5. Step 5: Solve for x
    x = 2,802,113,657.73/57,783.22
  6. Step 6: Final answer
    x = 48,493.56

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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.