Home / 64,245.20-96,598.20-54,107.60

Finding the Fourth Proportional to 64,245.20, 96,598.20 and 54,107.60

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Solution

The fourth proportional to 64,245.20, 96,598.20 and 54,107.60 is: 81,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.20 : 96,598.20 = 54,107.60 : x
  2. Step 2: Convert to fraction form
    64,245.20/96,598.20 = 54,107.60/x
  3. Step 3: Cross multiply
    64,245.20x = 96,598.20 × 54,107.60
  4. Step 4: Simplify right side
    64,245.20x = 5,226,696,766.32
  5. Step 5: Solve for x
    x = 5,226,696,766.32/64,245.20
  6. Step 6: Final answer
    x = 81,355.44

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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.