Home / 73,136.07-109,621.17-33,611.52

Finding the Fourth Proportional to 73,136.07, 109,621.17 and 33,611.52

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Solution

The fourth proportional to 73,136.07, 109,621.17 and 33,611.52 is: 50,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,136.07 : 109,621.17 = 33,611.52 : x
  2. Step 2: Convert to fraction form
    73,136.07/109,621.17 = 33,611.52/x
  3. Step 3: Cross multiply
    73,136.07x = 109,621.17 × 33,611.52
  4. Step 4: Simplify right side
    73,136.07x = 3,684,534,147.88
  5. Step 5: Solve for x
    x = 3,684,534,147.88/73,136.07
  6. Step 6: Final answer
    x = 50,379.17

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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.