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Finding the Fourth Proportional to 68,048.58, 93,913.47 and 41,197.80

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Solution

The fourth proportional to 68,048.58, 93,913.47 and 41,197.80 is: 56,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,048.58 : 93,913.47 = 41,197.80 : x
  2. Step 2: Convert to fraction form
    68,048.58/93,913.47 = 41,197.80/x
  3. Step 3: Cross multiply
    68,048.58x = 93,913.47 × 41,197.80
  4. Step 4: Simplify right side
    68,048.58x = 3,869,028,354.37
  5. Step 5: Solve for x
    x = 3,869,028,354.37/68,048.58
  6. Step 6: Final answer
    x = 56,856.86

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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.