Home / 68,460.78-94,476.60-40,166.94

Finding the Fourth Proportional to 68,460.78, 94,476.60 and 40,166.94

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Solution

The fourth proportional to 68,460.78, 94,476.60 and 40,166.94 is: 55,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,460.78 : 94,476.60 = 40,166.94 : x
  2. Step 2: Convert to fraction form
    68,460.78/94,476.60 = 40,166.94/x
  3. Step 3: Cross multiply
    68,460.78x = 94,476.60 × 40,166.94
  4. Step 4: Simplify right side
    68,460.78x = 3,794,835,923.60
  5. Step 5: Solve for x
    x = 3,794,835,923.60/68,460.78
  6. Step 6: Final answer
    x = 55,430.80

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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.