Home / 68,735.25-102,968.64-47,384.19

Finding the Fourth Proportional to 68,735.25, 102,968.64 and 47,384.19

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Solution

The fourth proportional to 68,735.25, 102,968.64 and 47,384.19 is: 70,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,735.25 : 102,968.64 = 47,384.19 : x
  2. Step 2: Convert to fraction form
    68,735.25/102,968.64 = 47,384.19/x
  3. Step 3: Cross multiply
    68,735.25x = 102,968.64 × 47,384.19
  4. Step 4: Simplify right side
    68,735.25x = 4,879,085,601.80
  5. Step 5: Solve for x
    x = 4,879,085,601.80/68,735.25
  6. Step 6: Final answer
    x = 70,983.75

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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.