Home / 68,087.08-102,140.19-23,707.38

Finding the Fourth Proportional to 68,087.08, 102,140.19 and 23,707.38

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Solution

The fourth proportional to 68,087.08, 102,140.19 and 23,707.38 is: 35,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.08 : 102,140.19 = 23,707.38 : x
  2. Step 2: Convert to fraction form
    68,087.08/102,140.19 = 23,707.38/x
  3. Step 3: Cross multiply
    68,087.08x = 102,140.19 × 23,707.38
  4. Step 4: Simplify right side
    68,087.08x = 2,421,476,680.63
  5. Step 5: Solve for x
    x = 2,421,476,680.63/68,087.08
  6. Step 6: Final answer
    x = 35,564.41

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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.