Home / 68,820.15-94,976.58-38,194.80

Finding the Fourth Proportional to 68,820.15, 94,976.58 and 38,194.80

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Solution

The fourth proportional to 68,820.15, 94,976.58 and 38,194.80 is: 52,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,820.15 : 94,976.58 = 38,194.80 : x
  2. Step 2: Convert to fraction form
    68,820.15/94,976.58 = 38,194.80/x
  3. Step 3: Cross multiply
    68,820.15x = 94,976.58 × 38,194.80
  4. Step 4: Simplify right side
    68,820.15x = 3,627,611,477.78
  5. Step 5: Solve for x
    x = 3,627,611,477.78/68,820.15
  6. Step 6: Final answer
    x = 52,711.47

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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.