Home / 63,728.31-87,944.54-35,433.75

Finding the Fourth Proportional to 63,728.31, 87,944.54 and 35,433.75

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Solution

The fourth proportional to 63,728.31, 87,944.54 and 35,433.75 is: 48,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728.31 : 87,944.54 = 35,433.75 : x
  2. Step 2: Convert to fraction form
    63,728.31/87,944.54 = 35,433.75/x
  3. Step 3: Cross multiply
    63,728.31x = 87,944.54 × 35,433.75
  4. Step 4: Simplify right side
    63,728.31x = 3,116,204,667.06
  5. Step 5: Solve for x
    x = 3,116,204,667.06/63,728.31
  6. Step 6: Final answer
    x = 48,898.28

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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.