Home / 43,364.06-65,040.28-11,776.26

Finding the Fourth Proportional to 43,364.06, 65,040.28 and 11,776.26

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Solution

The fourth proportional to 43,364.06, 65,040.28 and 11,776.26 is: 17,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,364.06 : 65,040.28 = 11,776.26 : x
  2. Step 2: Convert to fraction form
    43,364.06/65,040.28 = 11,776.26/x
  3. Step 3: Cross multiply
    43,364.06x = 65,040.28 × 11,776.26
  4. Step 4: Simplify right side
    43,364.06x = 765,931,247.75
  5. Step 5: Solve for x
    x = 765,931,247.75/43,364.06
  6. Step 6: Final answer
    x = 17,662.81

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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.