Home / 76,768.56-115,143.12-26,846.64

Finding the Fourth Proportional to 76,768.56, 115,143.12 and 26,846.64

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Solution

The fourth proportional to 76,768.56, 115,143.12 and 26,846.64 is: 40,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,768.56 : 115,143.12 = 26,846.64 : x
  2. Step 2: Convert to fraction form
    76,768.56/115,143.12 = 26,846.64/x
  3. Step 3: Cross multiply
    76,768.56x = 115,143.12 × 26,846.64
  4. Step 4: Simplify right side
    76,768.56x = 3,091,205,891.12
  5. Step 5: Solve for x
    x = 3,091,205,891.12/76,768.56
  6. Step 6: Final answer
    x = 40,266.56

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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.