Home / 82,880.85-124,321.28-41,408.85

Finding the Fourth Proportional to 82,880.85, 124,321.28 and 41,408.85

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Solution

The fourth proportional to 82,880.85, 124,321.28 and 41,408.85 is: 62,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,880.85 : 124,321.28 = 41,408.85 : x
  2. Step 2: Convert to fraction form
    82,880.85/124,321.28 = 41,408.85/x
  3. Step 3: Cross multiply
    82,880.85x = 124,321.28 × 41,408.85
  4. Step 4: Simplify right side
    82,880.85x = 5,148,001,028.28
  5. Step 5: Solve for x
    x = 5,148,001,028.28/82,880.85
  6. Step 6: Final answer
    x = 62,113.28

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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.