Home / 76,012.23-104,871.27-49,188.66

Finding the Fourth Proportional to 76,012.23, 104,871.27 and 49,188.66

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Solution

The fourth proportional to 76,012.23, 104,871.27 and 49,188.66 is: 67,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,012.23 : 104,871.27 = 49,188.66 : x
  2. Step 2: Convert to fraction form
    76,012.23/104,871.27 = 49,188.66/x
  3. Step 3: Cross multiply
    76,012.23x = 104,871.27 × 49,188.66
  4. Step 4: Simplify right side
    76,012.23x = 5,158,477,243.80
  5. Step 5: Solve for x
    x = 5,158,477,243.80/76,012.23
  6. Step 6: Final answer
    x = 67,863.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.