Home / 67,087.75-100,643.78-27,623.34

Finding the Fourth Proportional to 67,087.75, 100,643.78 and 27,623.34

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Solution

The fourth proportional to 67,087.75, 100,643.78 and 27,623.34 is: 41,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,087.75 : 100,643.78 = 27,623.34 : x
  2. Step 2: Convert to fraction form
    67,087.75/100,643.78 = 27,623.34/x
  3. Step 3: Cross multiply
    67,087.75x = 100,643.78 × 27,623.34
  4. Step 4: Simplify right side
    67,087.75x = 2,780,117,353.83
  5. Step 5: Solve for x
    x = 2,780,117,353.83/67,087.75
  6. Step 6: Final answer
    x = 41,440.01

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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.