Home / 68,436.24-102,654.38-26,336.16

Finding the Fourth Proportional to 68,436.24, 102,654.38 and 26,336.16

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Solution

The fourth proportional to 68,436.24, 102,654.38 and 26,336.16 is: 39,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.24 : 102,654.38 = 26,336.16 : x
  2. Step 2: Convert to fraction form
    68,436.24/102,654.38 = 26,336.16/x
  3. Step 3: Cross multiply
    68,436.24x = 102,654.38 × 26,336.16
  4. Step 4: Simplify right side
    68,436.24x = 2,703,522,176.38
  5. Step 5: Solve for x
    x = 2,703,522,176.38/68,436.24
  6. Step 6: Final answer
    x = 39,504.25

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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.