Home / 69,986.10-104,940.60-47,824.50

Finding the Fourth Proportional to 69,986.10, 104,940.60 and 47,824.50

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Solution

The fourth proportional to 69,986.10, 104,940.60 and 47,824.50 is: 71,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.10 : 104,940.60 = 47,824.50 : x
  2. Step 2: Convert to fraction form
    69,986.10/104,940.60 = 47,824.50/x
  3. Step 3: Cross multiply
    69,986.10x = 104,940.60 × 47,824.50
  4. Step 4: Simplify right side
    69,986.10x = 5,018,731,724.70
  5. Step 5: Solve for x
    x = 5,018,731,724.70/69,986.10
  6. Step 6: Final answer
    x = 71,710.41

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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.