Home / 51,738.80-77,662.49-45,853.34

Finding the Fourth Proportional to 51,738.80, 77,662.49 and 45,853.34

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Solution

The fourth proportional to 51,738.80, 77,662.49 and 45,853.34 is: 68,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738.80 : 77,662.49 = 45,853.34 : x
  2. Step 2: Convert to fraction form
    51,738.80/77,662.49 = 45,853.34/x
  3. Step 3: Cross multiply
    51,738.80x = 77,662.49 × 45,853.34
  4. Step 4: Simplify right side
    51,738.80x = 3,561,083,941.64
  5. Step 5: Solve for x
    x = 3,561,083,941.64/51,738.80
  6. Step 6: Final answer
    x = 68,828.12

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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.