Home / 57,670.36-79,540.32-36,441.88

Finding the Fourth Proportional to 57,670.36, 79,540.32 and 36,441.88

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Solution

The fourth proportional to 57,670.36, 79,540.32 and 36,441.88 is: 50,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.36 : 79,540.32 = 36,441.88 : x
  2. Step 2: Convert to fraction form
    57,670.36/79,540.32 = 36,441.88/x
  3. Step 3: Cross multiply
    57,670.36x = 79,540.32 × 36,441.88
  4. Step 4: Simplify right side
    57,670.36x = 2,898,598,796.60
  5. Step 5: Solve for x
    x = 2,898,598,796.60/57,670.36
  6. Step 6: Final answer
    x = 50,261.50

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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.