Home / 45,365.44-68,056.32-18,696.58

Finding the Fourth Proportional to 45,365.44, 68,056.32 and 18,696.58

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Solution

The fourth proportional to 45,365.44, 68,056.32 and 18,696.58 is: 28,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,365.44 : 68,056.32 = 18,696.58 : x
  2. Step 2: Convert to fraction form
    45,365.44/68,056.32 = 18,696.58/x
  3. Step 3: Cross multiply
    45,365.44x = 68,056.32 × 18,696.58
  4. Step 4: Simplify right side
    45,365.44x = 1,272,420,431.39
  5. Step 5: Solve for x
    x = 1,272,420,431.39/45,365.44
  6. Step 6: Final answer
    x = 28,048.23

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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.