Home / 115,611.70-173,431.44-40,716.36

Finding the Fourth Proportional to 115,611.70, 173,431.44 and 40,716.36

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Solution

The fourth proportional to 115,611.70, 173,431.44 and 40,716.36 is: 61,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,611.70 : 173,431.44 = 40,716.36 : x
  2. Step 2: Convert to fraction form
    115,611.70/173,431.44 = 40,716.36/x
  3. Step 3: Cross multiply
    115,611.70x = 173,431.44 × 40,716.36
  4. Step 4: Simplify right side
    115,611.70x = 7,061,496,946.36
  5. Step 5: Solve for x
    x = 7,061,496,946.36/115,611.70
  6. Step 6: Final answer
    x = 61,079.43

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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.