Home / 51,917.56-71,647.64-31,774.04

Finding the Fourth Proportional to 51,917.56, 71,647.64 and 31,774.04

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Solution

The fourth proportional to 51,917.56, 71,647.64 and 31,774.04 is: 43,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,917.56 : 71,647.64 = 31,774.04 : x
  2. Step 2: Convert to fraction form
    51,917.56/71,647.64 = 31,774.04/x
  3. Step 3: Cross multiply
    51,917.56x = 71,647.64 × 31,774.04
  4. Step 4: Simplify right side
    51,917.56x = 2,276,534,979.27
  5. Step 5: Solve for x
    x = 2,276,534,979.27/51,917.56
  6. Step 6: Final answer
    x = 43,849.04

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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.