Home / 49,776.21-74,663.37-12,336.36

Finding the Fourth Proportional to 49,776.21, 74,663.37 and 12,336.36

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Solution

The fourth proportional to 49,776.21, 74,663.37 and 12,336.36 is: 18,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,776.21 : 74,663.37 = 12,336.36 : x
  2. Step 2: Convert to fraction form
    49,776.21/74,663.37 = 12,336.36/x
  3. Step 3: Cross multiply
    49,776.21x = 74,663.37 × 12,336.36
  4. Step 4: Simplify right side
    49,776.21x = 921,074,211.13
  5. Step 5: Solve for x
    x = 921,074,211.13/49,776.21
  6. Step 6: Final answer
    x = 18,504.31

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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.