Home / 49,860.36-68,936.94-47,657.16

Finding the Fourth Proportional to 49,860.36, 68,936.94 and 47,657.16

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Solution

The fourth proportional to 49,860.36, 68,936.94 and 47,657.16 is: 65,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.36 : 68,936.94 = 47,657.16 : x
  2. Step 2: Convert to fraction form
    49,860.36/68,936.94 = 47,657.16/x
  3. Step 3: Cross multiply
    49,860.36x = 68,936.94 × 47,657.16
  4. Step 4: Simplify right side
    49,860.36x = 3,285,338,779.49
  5. Step 5: Solve for x
    x = 3,285,338,779.49/49,860.36
  6. Step 6: Final answer
    x = 65,890.80

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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.