Home / 51,699.44-71,345.92-49,911.36

Finding the Fourth Proportional to 51,699.44, 71,345.92 and 49,911.36

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Solution

The fourth proportional to 51,699.44, 71,345.92 and 49,911.36 is: 68,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.44 : 71,345.92 = 49,911.36 : x
  2. Step 2: Convert to fraction form
    51,699.44/71,345.92 = 49,911.36/x
  3. Step 3: Cross multiply
    51,699.44x = 71,345.92 × 49,911.36
  4. Step 4: Simplify right side
    51,699.44x = 3,560,971,897.65
  5. Step 5: Solve for x
    x = 3,560,971,897.65/51,699.44
  6. Step 6: Final answer
    x = 68,878.35

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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.