Home / 74,747.27-112,121.31-19,343.27

Finding the Fourth Proportional to 74,747.27, 112,121.31 and 19,343.27

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Solution

The fourth proportional to 74,747.27, 112,121.31 and 19,343.27 is: 29,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.27 : 112,121.31 = 19,343.27 : x
  2. Step 2: Convert to fraction form
    74,747.27/112,121.31 = 19,343.27/x
  3. Step 3: Cross multiply
    74,747.27x = 112,121.31 × 19,343.27
  4. Step 4: Simplify right side
    74,747.27x = 2,168,792,772.08
  5. Step 5: Solve for x
    x = 2,168,792,772.08/74,747.27
  6. Step 6: Final answer
    x = 29,015.01

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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.