Home / 76,836.12-115,257.78-37,346.16

Finding the Fourth Proportional to 76,836.12, 115,257.78 and 37,346.16

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Solution

The fourth proportional to 76,836.12, 115,257.78 and 37,346.16 is: 56,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,836.12 : 115,257.78 = 37,346.16 : x
  2. Step 2: Convert to fraction form
    76,836.12/115,257.78 = 37,346.16/x
  3. Step 3: Cross multiply
    76,836.12x = 115,257.78 × 37,346.16
  4. Step 4: Simplify right side
    76,836.12x = 4,304,435,493.12
  5. Step 5: Solve for x
    x = 4,304,435,493.12/76,836.12
  6. Step 6: Final answer
    x = 56,020.99

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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.