Home / 68,286.42-102,263.34-47,170.11

Finding the Fourth Proportional to 68,286.42, 102,263.34 and 47,170.11

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Solution

The fourth proportional to 68,286.42, 102,263.34 and 47,170.11 is: 70,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,286.42 : 102,263.34 = 47,170.11 : x
  2. Step 2: Convert to fraction form
    68,286.42/102,263.34 = 47,170.11/x
  3. Step 3: Cross multiply
    68,286.42x = 102,263.34 × 47,170.11
  4. Step 4: Simplify right side
    68,286.42x = 4,823,772,996.77
  5. Step 5: Solve for x
    x = 4,823,772,996.77/68,286.42
  6. Step 6: Final answer
    x = 70,640.30

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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.