Home / 82,206.18-113,458.50-47,745.54

Finding the Fourth Proportional to 82,206.18, 113,458.50 and 47,745.54

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Solution

The fourth proportional to 82,206.18, 113,458.50 and 47,745.54 is: 65,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,206.18 : 113,458.50 = 47,745.54 : x
  2. Step 2: Convert to fraction form
    82,206.18/113,458.50 = 47,745.54/x
  3. Step 3: Cross multiply
    82,206.18x = 113,458.50 × 47,745.54
  4. Step 4: Simplify right side
    82,206.18x = 5,417,137,350.09
  5. Step 5: Solve for x
    x = 5,417,137,350.09/82,206.18
  6. Step 6: Final answer
    x = 65,896.96

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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.