Home / 68,377.22-102,557.54-18,453.50

Finding the Fourth Proportional to 68,377.22, 102,557.54 and 18,453.50

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Solution

The fourth proportional to 68,377.22, 102,557.54 and 18,453.50 is: 27,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377.22 : 102,557.54 = 18,453.50 : x
  2. Step 2: Convert to fraction form
    68,377.22/102,557.54 = 18,453.50/x
  3. Step 3: Cross multiply
    68,377.22x = 102,557.54 × 18,453.50
  4. Step 4: Simplify right side
    68,377.22x = 1,892,545,564.39
  5. Step 5: Solve for x
    x = 1,892,545,564.39/68,377.22
  6. Step 6: Final answer
    x = 27,678.01

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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.