Home / 76,826.70-115,255.44-32,453.28

Finding the Fourth Proportional to 76,826.70, 115,255.44 and 32,453.28

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Solution

The fourth proportional to 76,826.70, 115,255.44 and 32,453.28 is: 48,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,826.70 : 115,255.44 = 32,453.28 : x
  2. Step 2: Convert to fraction form
    76,826.70/115,255.44 = 32,453.28/x
  3. Step 3: Cross multiply
    76,826.70x = 115,255.44 × 32,453.28
  4. Step 4: Simplify right side
    76,826.70x = 3,740,417,065.84
  5. Step 5: Solve for x
    x = 3,740,417,065.84/76,826.70
  6. Step 6: Final answer
    x = 48,686.42

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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.