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Finding the Fourth Proportional to 69,401.54, 104,102.91 and 16,811.07

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Solution

The fourth proportional to 69,401.54, 104,102.91 and 16,811.07 is: 25,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,401.54 : 104,102.91 = 16,811.07 : x
  2. Step 2: Convert to fraction form
    69,401.54/104,102.91 = 16,811.07/x
  3. Step 3: Cross multiply
    69,401.54x = 104,102.91 × 16,811.07
  4. Step 4: Simplify right side
    69,401.54x = 1,750,081,307.21
  5. Step 5: Solve for x
    x = 1,750,081,307.21/69,401.54
  6. Step 6: Final answer
    x = 25,216.75

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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.