Home / 68,112.08-102,176.31-22,521.33

Finding the Fourth Proportional to 68,112.08, 102,176.31 and 22,521.33

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Solution

The fourth proportional to 68,112.08, 102,176.31 and 22,521.33 is: 33,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.08 : 102,176.31 = 22,521.33 : x
  2. Step 2: Convert to fraction form
    68,112.08/102,176.31 = 22,521.33/x
  3. Step 3: Cross multiply
    68,112.08x = 102,176.31 × 22,521.33
  4. Step 4: Simplify right side
    68,112.08x = 2,301,145,884.81
  5. Step 5: Solve for x
    x = 2,301,145,884.81/68,112.08
  6. Step 6: Final answer
    x = 33,784.70

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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.