Home / 111,787.82-154,270.07-60,803.46

Finding the Fourth Proportional to 111,787.82, 154,270.07 and 60,803.46

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Solution

The fourth proportional to 111,787.82, 154,270.07 and 60,803.46 is: 83,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,787.82 : 154,270.07 = 60,803.46 : x
  2. Step 2: Convert to fraction form
    111,787.82/154,270.07 = 60,803.46/x
  3. Step 3: Cross multiply
    111,787.82x = 154,270.07 × 60,803.46
  4. Step 4: Simplify right side
    111,787.82x = 9,380,153,954.44
  5. Step 5: Solve for x
    x = 9,380,153,954.44/111,787.82
  6. Step 6: Final answer
    x = 83,910.34

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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.