Home / 52,816.94-72,889.15-28,943.41

Finding the Fourth Proportional to 52,816.94, 72,889.15 and 28,943.41

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Solution

The fourth proportional to 52,816.94, 72,889.15 and 28,943.41 is: 39,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816.94 : 72,889.15 = 28,943.41 : x
  2. Step 2: Convert to fraction form
    52,816.94/72,889.15 = 28,943.41/x
  3. Step 3: Cross multiply
    52,816.94x = 72,889.15 × 28,943.41
  4. Step 4: Simplify right side
    52,816.94x = 2,109,660,188.56
  5. Step 5: Solve for x
    x = 2,109,660,188.56/52,816.94
  6. Step 6: Final answer
    x = 39,942.87

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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.