Home / 76,745.67-115,134.12-32,372.58

Finding the Fourth Proportional to 76,745.67, 115,134.12 and 32,372.58

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Solution

The fourth proportional to 76,745.67, 115,134.12 and 32,372.58 is: 48,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745.67 : 115,134.12 = 32,372.58 : x
  2. Step 2: Convert to fraction form
    76,745.67/115,134.12 = 32,372.58/x
  3. Step 3: Cross multiply
    76,745.67x = 115,134.12 × 32,372.58
  4. Step 4: Simplify right side
    76,745.67x = 3,727,188,510.43
  5. Step 5: Solve for x
    x = 3,727,188,510.43/76,745.67
  6. Step 6: Final answer
    x = 48,565.46

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1.5x scale

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.