Home / 64,247.20-96,601.20-54,109.60

Finding the Fourth Proportional to 64,247.20, 96,601.20 and 54,109.60

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Solution

The fourth proportional to 64,247.20, 96,601.20 and 54,109.60 is: 81,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,247.20 : 96,601.20 = 54,109.60 : x
  2. Step 2: Convert to fraction form
    64,247.20/96,601.20 = 54,109.60/x
  3. Step 3: Cross multiply
    64,247.20x = 96,601.20 × 54,109.60
  4. Step 4: Simplify right side
    64,247.20x = 5,227,052,291.52
  5. Step 5: Solve for x
    x = 5,227,052,291.52/64,247.20
  6. Step 6: Final answer
    x = 81,358.45

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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.