Home / 74,839.80-112,200.07-43,213.98

Finding the Fourth Proportional to 74,839.80, 112,200.07 and 43,213.98

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Solution

The fourth proportional to 74,839.80, 112,200.07 and 43,213.98 is: 64,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.80 : 112,200.07 = 43,213.98 : x
  2. Step 2: Convert to fraction form
    74,839.80/112,200.07 = 43,213.98/x
  3. Step 3: Cross multiply
    74,839.80x = 112,200.07 × 43,213.98
  4. Step 4: Simplify right side
    74,839.80x = 4,848,611,580.98
  5. Step 5: Solve for x
    x = 4,848,611,580.98/74,839.80
  6. Step 6: Final answer
    x = 64,786.54

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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.