Home / 68,146.40-102,106.16-23,748.68

Finding the Fourth Proportional to 68,146.40, 102,106.16 and 23,748.68

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Solution

The fourth proportional to 68,146.40, 102,106.16 and 23,748.68 is: 35,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,146.40 : 102,106.16 = 23,748.68 : x
  2. Step 2: Convert to fraction form
    68,146.40/102,106.16 = 23,748.68/x
  3. Step 3: Cross multiply
    68,146.40x = 102,106.16 × 23,748.68
  4. Step 4: Simplify right side
    68,146.40x = 2,424,886,519.87
  5. Step 5: Solve for x
    x = 2,424,886,519.87/68,146.40
  6. Step 6: Final answer
    x = 35,583.49

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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.