Home / 68,255.36-102,421.92-23,891.68

Finding the Fourth Proportional to 68,255.36, 102,421.92 and 23,891.68

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Solution

The fourth proportional to 68,255.36, 102,421.92 and 23,891.68 is: 35,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,255.36 : 102,421.92 = 23,891.68 : x
  2. Step 2: Convert to fraction form
    68,255.36/102,421.92 = 23,891.68/x
  3. Step 3: Cross multiply
    68,255.36x = 102,421.92 × 23,891.68
  4. Step 4: Simplify right side
    68,255.36x = 2,447,031,737.63
  5. Step 5: Solve for x
    x = 2,447,031,737.63/68,255.36
  6. Step 6: Final answer
    x = 35,851.13

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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.