Home / 68,212.94-102,130.47-34,861.19

Finding the Fourth Proportional to 68,212.94, 102,130.47 and 34,861.19

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Solution

The fourth proportional to 68,212.94, 102,130.47 and 34,861.19 is: 52,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,212.94 : 102,130.47 = 34,861.19 : x
  2. Step 2: Convert to fraction form
    68,212.94/102,130.47 = 34,861.19/x
  3. Step 3: Cross multiply
    68,212.94x = 102,130.47 × 34,861.19
  4. Step 4: Simplify right side
    68,212.94x = 3,560,389,208.81
  5. Step 5: Solve for x
    x = 3,560,389,208.81/68,212.94
  6. Step 6: Final answer
    x = 52,195.22

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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.