Home / 71,188.88-98,189.62-43,964.37

Finding the Fourth Proportional to 71,188.88, 98,189.62 and 43,964.37

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Solution

The fourth proportional to 71,188.88, 98,189.62 and 43,964.37 is: 60,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,188.88 : 98,189.62 = 43,964.37 : x
  2. Step 2: Convert to fraction form
    71,188.88/98,189.62 = 43,964.37/x
  3. Step 3: Cross multiply
    71,188.88x = 98,189.62 × 43,964.37
  4. Step 4: Simplify right side
    71,188.88x = 4,316,844,673.93
  5. Step 5: Solve for x
    x = 4,316,844,673.93/71,188.88
  6. Step 6: Final answer
    x = 60,639.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.