Home / 76,069.82-104,941-49,220.99

Finding the Fourth Proportional to 76,069.82, 104,941 and 49,220.99

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Solution

The fourth proportional to 76,069.82, 104,941 and 49,220.99 is: 67,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,069.82 : 104,941 = 49,220.99 : x
  2. Step 2: Convert to fraction form
    76,069.82/104,941 = 49,220.99/x
  3. Step 3: Cross multiply
    76,069.82x = 104,941 × 49,220.99
  4. Step 4: Simplify right side
    76,069.82x = 5,165,299,911.59
  5. Step 5: Solve for x
    x = 5,165,299,911.59/76,069.82
  6. Step 6: Final answer
    x = 67,902.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.