Home / 68,974.93-103,462.23-19,054.90

Finding the Fourth Proportional to 68,974.93, 103,462.23 and 19,054.90

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Solution

The fourth proportional to 68,974.93, 103,462.23 and 19,054.90 is: 28,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,974.93 : 103,462.23 = 19,054.90 : x
  2. Step 2: Convert to fraction form
    68,974.93/103,462.23 = 19,054.90/x
  3. Step 3: Cross multiply
    68,974.93x = 103,462.23 × 19,054.90
  4. Step 4: Simplify right side
    68,974.93x = 1,971,462,446.43
  5. Step 5: Solve for x
    x = 1,971,462,446.43/68,974.93
  6. Step 6: Final answer
    x = 28,582.30

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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.