Home / 101,995.48-152,940.54-45,787.36

Finding the Fourth Proportional to 101,995.48, 152,940.54 and 45,787.36

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Solution

The fourth proportional to 101,995.48, 152,940.54 and 45,787.36 is: 68,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,995.48 : 152,940.54 = 45,787.36 : x
  2. Step 2: Convert to fraction form
    101,995.48/152,940.54 = 45,787.36/x
  3. Step 3: Cross multiply
    101,995.48x = 152,940.54 × 45,787.36
  4. Step 4: Simplify right side
    101,995.48x = 7,002,743,563.57
  5. Step 5: Solve for x
    x = 7,002,743,563.57/101,995.48
  6. Step 6: Final answer
    x = 68,657.39

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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.