Home / 76,754.73-115,147.62-32,381.58

Finding the Fourth Proportional to 76,754.73, 115,147.62 and 32,381.58

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Solution

The fourth proportional to 76,754.73, 115,147.62 and 32,381.58 is: 48,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,754.73 : 115,147.62 = 32,381.58 : x
  2. Step 2: Convert to fraction form
    76,754.73/115,147.62 = 32,381.58/x
  3. Step 3: Cross multiply
    76,754.73x = 115,147.62 × 32,381.58
  4. Step 4: Simplify right side
    76,754.73x = 3,728,661,868.84
  5. Step 5: Solve for x
    x = 3,728,661,868.84/76,754.73
  6. Step 6: Final answer
    x = 48,578.92

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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.