Home / 85,983.36-118,668.24-48,257.64

Finding the Fourth Proportional to 85,983.36, 118,668.24 and 48,257.64

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Solution

The fourth proportional to 85,983.36, 118,668.24 and 48,257.64 is: 66,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,983.36 : 118,668.24 = 48,257.64 : x
  2. Step 2: Convert to fraction form
    85,983.36/118,668.24 = 48,257.64/x
  3. Step 3: Cross multiply
    85,983.36x = 118,668.24 × 48,257.64
  4. Step 4: Simplify right side
    85,983.36x = 5,726,649,205.35
  5. Step 5: Solve for x
    x = 5,726,649,205.35/85,983.36
  6. Step 6: Final answer
    x = 66,601.83

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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.