Home / 66,826.88-99,963.29-50,911.49

Finding the Fourth Proportional to 66,826.88, 99,963.29 and 50,911.49

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Solution

The fourth proportional to 66,826.88, 99,963.29 and 50,911.49 is: 76,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826.88 : 99,963.29 = 50,911.49 : x
  2. Step 2: Convert to fraction form
    66,826.88/99,963.29 = 50,911.49/x
  3. Step 3: Cross multiply
    66,826.88x = 99,963.29 × 50,911.49
  4. Step 4: Simplify right side
    66,826.88x = 5,089,279,284.83
  5. Step 5: Solve for x
    x = 5,089,279,284.83/66,826.88
  6. Step 6: Final answer
    x = 76,156.18

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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.