Home / 76,743.67-115,131.12-32,370.58

Finding the Fourth Proportional to 76,743.67, 115,131.12 and 32,370.58

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Solution

The fourth proportional to 76,743.67, 115,131.12 and 32,370.58 is: 48,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743.67 : 115,131.12 = 32,370.58 : x
  2. Step 2: Convert to fraction form
    76,743.67/115,131.12 = 32,370.58/x
  3. Step 3: Cross multiply
    76,743.67x = 115,131.12 × 32,370.58
  4. Step 4: Simplify right side
    76,743.67x = 3,726,861,130.45
  5. Step 5: Solve for x
    x = 3,726,861,130.45/76,743.67
  6. Step 6: Final answer
    x = 48,562.46

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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.