Home / 66,162.24-99,243.20-28,717.46

Finding the Fourth Proportional to 66,162.24, 99,243.20 and 28,717.46

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Solution

The fourth proportional to 66,162.24, 99,243.20 and 28,717.46 is: 43,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.24 : 99,243.20 = 28,717.46 : x
  2. Step 2: Convert to fraction form
    66,162.24/99,243.20 = 28,717.46/x
  3. Step 3: Cross multiply
    66,162.24x = 99,243.20 × 28,717.46
  4. Step 4: Simplify right side
    66,162.24x = 2,850,012,201.85
  5. Step 5: Solve for x
    x = 2,850,012,201.85/66,162.24
  6. Step 6: Final answer
    x = 43,076.11

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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.