Home / 82,761.24-114,190.60-48,771.12

Finding the Fourth Proportional to 82,761.24, 114,190.60 and 48,771.12

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Solution

The fourth proportional to 82,761.24, 114,190.60 and 48,771.12 is: 67,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,761.24 : 114,190.60 = 48,771.12 : x
  2. Step 2: Convert to fraction form
    82,761.24/114,190.60 = 48,771.12/x
  3. Step 3: Cross multiply
    82,761.24x = 114,190.60 × 48,771.12
  4. Step 4: Simplify right side
    82,761.24x = 5,569,203,455.47
  5. Step 5: Solve for x
    x = 5,569,203,455.47/82,761.24
  6. Step 6: Final answer
    x = 67,292.41

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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.