Home / 75,989.75-113,813.30-36,576.36

Finding the Fourth Proportional to 75,989.75, 113,813.30 and 36,576.36

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Solution

The fourth proportional to 75,989.75, 113,813.30 and 36,576.36 is: 54,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,989.75 : 113,813.30 = 36,576.36 : x
  2. Step 2: Convert to fraction form
    75,989.75/113,813.30 = 36,576.36/x
  3. Step 3: Cross multiply
    75,989.75x = 113,813.30 × 36,576.36
  4. Step 4: Simplify right side
    75,989.75x = 4,162,876,325.03
  5. Step 5: Solve for x
    x = 4,162,876,325.03/75,989.75
  6. Step 6: Final answer
    x = 54,782.08

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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.