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Finding the Fourth Proportional to 68,484.48, 94,480.44 and 41,622.66

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Solution

The fourth proportional to 68,484.48, 94,480.44 and 41,622.66 is: 57,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,484.48 : 94,480.44 = 41,622.66 : x
  2. Step 2: Convert to fraction form
    68,484.48/94,480.44 = 41,622.66/x
  3. Step 3: Cross multiply
    68,484.48x = 94,480.44 × 41,622.66
  4. Step 4: Simplify right side
    68,484.48x = 3,932,527,230.77
  5. Step 5: Solve for x
    x = 3,932,527,230.77/68,484.48
  6. Step 6: Final answer
    x = 57,422.17

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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.