Home / 76,743.56-115,130.91-32,370.46

Finding the Fourth Proportional to 76,743.56, 115,130.91 and 32,370.46

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Solution

The fourth proportional to 76,743.56, 115,130.91 and 32,370.46 is: 48,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743.56 : 115,130.91 = 32,370.46 : x
  2. Step 2: Convert to fraction form
    76,743.56/115,130.91 = 32,370.46/x
  3. Step 3: Cross multiply
    76,743.56x = 115,130.91 × 32,370.46
  4. Step 4: Simplify right side
    76,743.56x = 3,726,840,516.92
  5. Step 5: Solve for x
    x = 3,726,840,516.92/76,743.56
  6. Step 6: Final answer
    x = 48,562.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.