Home / 43,011.36-64,509.75-16,716.60

Finding the Fourth Proportional to 43,011.36, 64,509.75 and 16,716.60

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Solution

The fourth proportional to 43,011.36, 64,509.75 and 16,716.60 is: 25,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,011.36 : 64,509.75 = 16,716.60 : x
  2. Step 2: Convert to fraction form
    43,011.36/64,509.75 = 16,716.60/x
  3. Step 3: Cross multiply
    43,011.36x = 64,509.75 × 16,716.60
  4. Step 4: Simplify right side
    43,011.36x = 1,078,383,686.85
  5. Step 5: Solve for x
    x = 1,078,383,686.85/43,011.36
  6. Step 6: Final answer
    x = 25,072.07

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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.