Home / 43,055.52-64,584.08-11,891.56

Finding the Fourth Proportional to 43,055.52, 64,584.08 and 11,891.56

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Solution

The fourth proportional to 43,055.52, 64,584.08 and 11,891.56 is: 17,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,055.52 : 64,584.08 = 11,891.56 : x
  2. Step 2: Convert to fraction form
    43,055.52/64,584.08 = 11,891.56/x
  3. Step 3: Cross multiply
    43,055.52x = 64,584.08 × 11,891.56
  4. Step 4: Simplify right side
    43,055.52x = 768,005,462.36
  5. Step 5: Solve for x
    x = 768,005,462.36/43,055.52
  6. Step 6: Final answer
    x = 17,837.56

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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.