Home / 43,363.06-65,038.78-11,775.26

Finding the Fourth Proportional to 43,363.06, 65,038.78 and 11,775.26

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Solution

The fourth proportional to 43,363.06, 65,038.78 and 11,775.26 is: 17,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,363.06 : 65,038.78 = 11,775.26 : x
  2. Step 2: Convert to fraction form
    43,363.06/65,038.78 = 11,775.26/x
  3. Step 3: Cross multiply
    43,363.06x = 65,038.78 × 11,775.26
  4. Step 4: Simplify right side
    43,363.06x = 765,848,544.58
  5. Step 5: Solve for x
    x = 765,848,544.58/43,363.06
  6. Step 6: Final answer
    x = 17,661.31

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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.