Home / 68,455.22-94,428.78-41,212.36

Finding the Fourth Proportional to 68,455.22, 94,428.78 and 41,212.36

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Solution

The fourth proportional to 68,455.22, 94,428.78 and 41,212.36 is: 56,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,455.22 : 94,428.78 = 41,212.36 : x
  2. Step 2: Convert to fraction form
    68,455.22/94,428.78 = 41,212.36/x
  3. Step 3: Cross multiply
    68,455.22x = 94,428.78 × 41,212.36
  4. Step 4: Simplify right side
    68,455.22x = 3,891,632,403.58
  5. Step 5: Solve for x
    x = 3,891,632,403.58/68,455.22
  6. Step 6: Final answer
    x = 56,849.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.