Home / 81,550.44-122,442.48-60,555.24

Finding the Fourth Proportional to 81,550.44, 122,442.48 and 60,555.24

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Solution

The fourth proportional to 81,550.44, 122,442.48 and 60,555.24 is: 90,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,550.44 : 122,442.48 = 60,555.24 : x
  2. Step 2: Convert to fraction form
    81,550.44/122,442.48 = 60,555.24/x
  3. Step 3: Cross multiply
    81,550.44x = 122,442.48 × 60,555.24
  4. Step 4: Simplify right side
    81,550.44x = 7,414,533,762.60
  5. Step 5: Solve for x
    x = 7,414,533,762.60/81,550.44
  6. Step 6: Final answer
    x = 90,919.60

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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.