Home / 50,705.16-76,067.88-15,643.50

Finding the Fourth Proportional to 50,705.16, 76,067.88 and 15,643.50

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Solution

The fourth proportional to 50,705.16, 76,067.88 and 15,643.50 is: 23,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,705.16 : 76,067.88 = 15,643.50 : x
  2. Step 2: Convert to fraction form
    50,705.16/76,067.88 = 15,643.50/x
  3. Step 3: Cross multiply
    50,705.16x = 76,067.88 × 15,643.50
  4. Step 4: Simplify right side
    50,705.16x = 1,189,967,880.78
  5. Step 5: Solve for x
    x = 1,189,967,880.78/50,705.16
  6. Step 6: Final answer
    x = 23,468.38

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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.