Home / 55,360.44-82,845.90-47,662.20

Finding the Fourth Proportional to 55,360.44, 82,845.90 and 47,662.20

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Solution

The fourth proportional to 55,360.44, 82,845.90 and 47,662.20 is: 71,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.44 : 82,845.90 = 47,662.20 : x
  2. Step 2: Convert to fraction form
    55,360.44/82,845.90 = 47,662.20/x
  3. Step 3: Cross multiply
    55,360.44x = 82,845.90 × 47,662.20
  4. Step 4: Simplify right side
    55,360.44x = 3,948,617,854.98
  5. Step 5: Solve for x
    x = 3,948,617,854.98/55,360.44
  6. Step 6: Final answer
    x = 71,325.62

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1.5x scale

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.