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Finding the Fourth Proportional to 68,069.58, 102,125.10 and 34,812.96

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Solution

The fourth proportional to 68,069.58, 102,125.10 and 34,812.96 is: 52,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,069.58 : 102,125.10 = 34,812.96 : x
  2. Step 2: Convert to fraction form
    68,069.58/102,125.10 = 34,812.96/x
  3. Step 3: Cross multiply
    68,069.58x = 102,125.10 × 34,812.96
  4. Step 4: Simplify right side
    68,069.58x = 3,555,277,021.30
  5. Step 5: Solve for x
    x = 3,555,277,021.30/68,069.58
  6. Step 6: Final answer
    x = 52,230.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.