Home / 69,611.36-96,063.73-37,780.25

Finding the Fourth Proportional to 69,611.36, 96,063.73 and 37,780.25

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Solution

The fourth proportional to 69,611.36, 96,063.73 and 37,780.25 is: 52,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,611.36 : 96,063.73 = 37,780.25 : x
  2. Step 2: Convert to fraction form
    69,611.36/96,063.73 = 37,780.25/x
  3. Step 3: Cross multiply
    69,611.36x = 96,063.73 × 37,780.25
  4. Step 4: Simplify right side
    69,611.36x = 3,629,311,160.56
  5. Step 5: Solve for x
    x = 3,629,311,160.56/69,611.36
  6. Step 6: Final answer
    x = 52,136.77

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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.