Home / 103,033.20-154,493.04-31,936.16

Finding the Fourth Proportional to 103,033.20, 154,493.04 and 31,936.16

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Solution

The fourth proportional to 103,033.20, 154,493.04 and 31,936.16 is: 47,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,033.20 : 154,493.04 = 31,936.16 : x
  2. Step 2: Convert to fraction form
    103,033.20/154,493.04 = 31,936.16/x
  3. Step 3: Cross multiply
    103,033.20x = 154,493.04 × 31,936.16
  4. Step 4: Simplify right side
    103,033.20x = 4,933,914,444.33
  5. Step 5: Solve for x
    x = 4,933,914,444.33/103,033.20
  6. Step 6: Final answer
    x = 47,886.65

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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.