Home / 57,276.96-79,035.82-31,782.48

Finding the Fourth Proportional to 57,276.96, 79,035.82 and 31,782.48

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Solution

The fourth proportional to 57,276.96, 79,035.82 and 31,782.48 is: 43,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.96 : 79,035.82 = 31,782.48 : x
  2. Step 2: Convert to fraction form
    57,276.96/79,035.82 = 31,782.48/x
  3. Step 3: Cross multiply
    57,276.96x = 79,035.82 × 31,782.48
  4. Step 4: Simplify right side
    57,276.96x = 2,511,954,368.43
  5. Step 5: Solve for x
    x = 2,511,954,368.43/57,276.96
  6. Step 6: Final answer
    x = 43,856.28

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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.