Home / 51,818.94-77,730.84-16,761.33

Finding the Fourth Proportional to 51,818.94, 77,730.84 and 16,761.33

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Solution

The fourth proportional to 51,818.94, 77,730.84 and 16,761.33 is: 25,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818.94 : 77,730.84 = 16,761.33 : x
  2. Step 2: Convert to fraction form
    51,818.94/77,730.84 = 16,761.33/x
  3. Step 3: Cross multiply
    51,818.94x = 77,730.84 × 16,761.33
  4. Step 4: Simplify right side
    51,818.94x = 1,302,872,260.42
  5. Step 5: Solve for x
    x = 1,302,872,260.42/51,818.94
  6. Step 6: Final answer
    x = 25,142.78

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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.