Home / 68,582.58-102,863.47-18,666.56

Finding the Fourth Proportional to 68,582.58, 102,863.47 and 18,666.56

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Solution

The fourth proportional to 68,582.58, 102,863.47 and 18,666.56 is: 27,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,582.58 : 102,863.47 = 18,666.56 : x
  2. Step 2: Convert to fraction form
    68,582.58/102,863.47 = 18,666.56/x
  3. Step 3: Cross multiply
    68,582.58x = 102,863.47 × 18,666.56
  4. Step 4: Simplify right side
    68,582.58x = 1,920,107,345.06
  5. Step 5: Solve for x
    x = 1,920,107,345.06/68,582.58
  6. Step 6: Final answer
    x = 27,997.01

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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.