Home / 68,032.65-102,047.09-18,113.18

Finding the Fourth Proportional to 68,032.65, 102,047.09 and 18,113.18

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Solution

The fourth proportional to 68,032.65, 102,047.09 and 18,113.18 is: 27,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,032.65 : 102,047.09 = 18,113.18 : x
  2. Step 2: Convert to fraction form
    68,032.65/102,047.09 = 18,113.18/x
  3. Step 3: Cross multiply
    68,032.65x = 102,047.09 × 18,113.18
  4. Step 4: Simplify right side
    68,032.65x = 1,848,396,708.84
  5. Step 5: Solve for x
    x = 1,848,396,708.84/68,032.65
  6. Step 6: Final answer
    x = 27,169.26

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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.