Home / 49,393.14-68,162.36-28,172.36

Finding the Fourth Proportional to 49,393.14, 68,162.36 and 28,172.36

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Solution

The fourth proportional to 49,393.14, 68,162.36 and 28,172.36 is: 38,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,393.14 : 68,162.36 = 28,172.36 : x
  2. Step 2: Convert to fraction form
    49,393.14/68,162.36 = 28,172.36/x
  3. Step 3: Cross multiply
    49,393.14x = 68,162.36 × 28,172.36
  4. Step 4: Simplify right side
    49,393.14x = 1,920,294,062.70
  5. Step 5: Solve for x
    x = 1,920,294,062.70/49,393.14
  6. Step 6: Final answer
    x = 38,877.75

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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.