Home / 43,491.16-65,237.04-11,900.54

Finding the Fourth Proportional to 43,491.16, 65,237.04 and 11,900.54

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Solution

The fourth proportional to 43,491.16, 65,237.04 and 11,900.54 is: 17,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.16 : 65,237.04 = 11,900.54 : x
  2. Step 2: Convert to fraction form
    43,491.16/65,237.04 = 11,900.54/x
  3. Step 3: Cross multiply
    43,491.16x = 65,237.04 × 11,900.54
  4. Step 4: Simplify right side
    43,491.16x = 776,356,004.00
  5. Step 5: Solve for x
    x = 776,356,004.00/43,491.16
  6. Step 6: Final answer
    x = 17,850.89

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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.