Home / 68,083.20-93,956.64-41,220

Finding the Fourth Proportional to 68,083.20, 93,956.64 and 41,220

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Solution

The fourth proportional to 68,083.20, 93,956.64 and 41,220 is: 56,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,083.20 : 93,956.64 = 41,220 : x
  2. Step 2: Convert to fraction form
    68,083.20/93,956.64 = 41,220/x
  3. Step 3: Cross multiply
    68,083.20x = 93,956.64 × 41,220
  4. Step 4: Simplify right side
    68,083.20x = 3,872,892,700.80
  5. Step 5: Solve for x
    x = 3,872,892,700.80/68,083.20
  6. Step 6: Final answer
    x = 56,884.70

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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.