Home / 68,733.21-103,076.75-30,758.69

Finding the Fourth Proportional to 68,733.21, 103,076.75 and 30,758.69

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Solution

The fourth proportional to 68,733.21, 103,076.75 and 30,758.69 is: 46,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.21 : 103,076.75 = 30,758.69 : x
  2. Step 2: Convert to fraction form
    68,733.21/103,076.75 = 30,758.69/x
  3. Step 3: Cross multiply
    68,733.21x = 103,076.75 × 30,758.69
  4. Step 4: Simplify right side
    68,733.21x = 3,170,505,130.28
  5. Step 5: Solve for x
    x = 3,170,505,130.28/68,733.21
  6. Step 6: Final answer
    x = 46,127.70

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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.