Home / 68,032.53-102,048.66-18,112.64

Finding the Fourth Proportional to 68,032.53, 102,048.66 and 18,112.64

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Solution

The fourth proportional to 68,032.53, 102,048.66 and 18,112.64 is: 27,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,032.53 : 102,048.66 = 18,112.64 : x
  2. Step 2: Convert to fraction form
    68,032.53/102,048.66 = 18,112.64/x
  3. Step 3: Cross multiply
    68,032.53x = 102,048.66 × 18,112.64
  4. Step 4: Simplify right side
    68,032.53x = 1,848,370,130.82
  5. Step 5: Solve for x
    x = 1,848,370,130.82/68,032.53
  6. Step 6: Final answer
    x = 27,168.92

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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.