Home / 69,671.25-96,147.62-39,456.48

Finding the Fourth Proportional to 69,671.25, 96,147.62 and 39,456.48

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Solution

The fourth proportional to 69,671.25, 96,147.62 and 39,456.48 is: 54,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,671.25 : 96,147.62 = 39,456.48 : x
  2. Step 2: Convert to fraction form
    69,671.25/96,147.62 = 39,456.48/x
  3. Step 3: Cross multiply
    69,671.25x = 96,147.62 × 39,456.48
  4. Step 4: Simplify right side
    69,671.25x = 3,793,646,448.30
  5. Step 5: Solve for x
    x = 3,793,646,448.30/69,671.25
  6. Step 6: Final answer
    x = 54,450.67

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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.