Home / 82,334.83-113,563.67-69,704.91

Finding the Fourth Proportional to 82,334.83, 113,563.67 and 69,704.91

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Solution

The fourth proportional to 82,334.83, 113,563.67 and 69,704.91 is: 96,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,334.83 : 113,563.67 = 69,704.91 : x
  2. Step 2: Convert to fraction form
    82,334.83/113,563.67 = 69,704.91/x
  3. Step 3: Cross multiply
    82,334.83x = 113,563.67 × 69,704.91
  4. Step 4: Simplify right side
    82,334.83x = 7,915,945,396.62
  5. Step 5: Solve for x
    x = 7,915,945,396.62/82,334.83
  6. Step 6: Final answer
    x = 96,143.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.