Home / 69,990.20-104,962.48-23,230.52

Finding the Fourth Proportional to 69,990.20, 104,962.48 and 23,230.52

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Solution

The fourth proportional to 69,990.20, 104,962.48 and 23,230.52 is: 34,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,990.20 : 104,962.48 = 23,230.52 : x
  2. Step 2: Convert to fraction form
    69,990.20/104,962.48 = 23,230.52/x
  3. Step 3: Cross multiply
    69,990.20x = 104,962.48 × 23,230.52
  4. Step 4: Simplify right side
    69,990.20x = 2,438,332,990.89
  5. Step 5: Solve for x
    x = 2,438,332,990.89/69,990.20
  6. Step 6: Final answer
    x = 34,838.21

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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.