Home / 51,738.30-77,661.74-45,852.84

Finding the Fourth Proportional to 51,738.30, 77,661.74 and 45,852.84

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Solution

The fourth proportional to 51,738.30, 77,661.74 and 45,852.84 is: 68,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738.30 : 77,661.74 = 45,852.84 : x
  2. Step 2: Convert to fraction form
    51,738.30/77,661.74 = 45,852.84/x
  3. Step 3: Cross multiply
    51,738.30x = 77,661.74 × 45,852.84
  4. Step 4: Simplify right side
    51,738.30x = 3,561,010,720.77
  5. Step 5: Solve for x
    x = 3,561,010,720.77/51,738.30
  6. Step 6: Final answer
    x = 68,827.37

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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.