Home / 69,611.48-96,063.80-39,396.25

Finding the Fourth Proportional to 69,611.48, 96,063.80 and 39,396.25

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Solution

The fourth proportional to 69,611.48, 96,063.80 and 39,396.25 is: 54,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,611.48 : 96,063.80 = 39,396.25 : x
  2. Step 2: Convert to fraction form
    69,611.48/96,063.80 = 39,396.25/x
  3. Step 3: Cross multiply
    69,611.48x = 96,063.80 × 39,396.25
  4. Step 4: Simplify right side
    69,611.48x = 3,784,553,480.75
  5. Step 5: Solve for x
    x = 3,784,553,480.75/69,611.48
  6. Step 6: Final answer
    x = 54,366.80

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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.