Home / 76,964.80-115,463.40-32,568.70

Finding the Fourth Proportional to 76,964.80, 115,463.40 and 32,568.70

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Solution

The fourth proportional to 76,964.80, 115,463.40 and 32,568.70 is: 48,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.80 : 115,463.40 = 32,568.70 : x
  2. Step 2: Convert to fraction form
    76,964.80/115,463.40 = 32,568.70/x
  3. Step 3: Cross multiply
    76,964.80x = 115,463.40 × 32,568.70
  4. Step 4: Simplify right side
    76,964.80x = 3,760,492,835.58
  5. Step 5: Solve for x
    x = 3,760,492,835.58/76,964.80
  6. Step 6: Final answer
    x = 48,859.91

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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.