Home / 76,846.21-115,321.12-26,926.76

Finding the Fourth Proportional to 76,846.21, 115,321.12 and 26,926.76

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Solution

The fourth proportional to 76,846.21, 115,321.12 and 26,926.76 is: 40,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,846.21 : 115,321.12 = 26,926.76 : x
  2. Step 2: Convert to fraction form
    76,846.21/115,321.12 = 26,926.76/x
  3. Step 3: Cross multiply
    76,846.21x = 115,321.12 × 26,926.76
  4. Step 4: Simplify right side
    76,846.21x = 3,105,224,342.16
  5. Step 5: Solve for x
    x = 3,105,224,342.16/76,846.21
  6. Step 6: Final answer
    x = 40,408.30

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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.