Home / 51,840.96-77,763.84-16,783.36

Finding the Fourth Proportional to 51,840.96, 77,763.84 and 16,783.36

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Solution

The fourth proportional to 51,840.96, 77,763.84 and 16,783.36 is: 25,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.96 : 77,763.84 = 16,783.36 : x
  2. Step 2: Convert to fraction form
    51,840.96/77,763.84 = 16,783.36/x
  3. Step 3: Cross multiply
    51,840.96x = 77,763.84 × 16,783.36
  4. Step 4: Simplify right side
    51,840.96x = 1,305,138,521.70
  5. Step 5: Solve for x
    x = 1,305,138,521.70/51,840.96
  6. Step 6: Final answer
    x = 25,175.82

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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.