Home / 69,823.03-104,718.76-19,902.06

Finding the Fourth Proportional to 69,823.03, 104,718.76 and 19,902.06

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Solution

The fourth proportional to 69,823.03, 104,718.76 and 19,902.06 is: 29,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,823.03 : 104,718.76 = 19,902.06 : x
  2. Step 2: Convert to fraction form
    69,823.03/104,718.76 = 19,902.06/x
  3. Step 3: Cross multiply
    69,823.03x = 104,718.76 × 19,902.06
  4. Step 4: Simplify right side
    69,823.03x = 2,084,119,044.65
  5. Step 5: Solve for x
    x = 2,084,119,044.65/69,823.03
  6. Step 6: Final answer
    x = 29,848.59

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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.