Home / 74,452.91-102,768.96-47,667.56

Finding the Fourth Proportional to 74,452.91, 102,768.96 and 47,667.56

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Solution

The fourth proportional to 74,452.91, 102,768.96 and 47,667.56 is: 65,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,452.91 : 102,768.96 = 47,667.56 : x
  2. Step 2: Convert to fraction form
    74,452.91/102,768.96 = 47,667.56/x
  3. Step 3: Cross multiply
    74,452.91x = 102,768.96 × 47,667.56
  4. Step 4: Simplify right side
    74,452.91x = 4,898,745,053.09
  5. Step 5: Solve for x
    x = 4,898,745,053.09/74,452.91
  6. Step 6: Final answer
    x = 65,796.56

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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.