Home / 98,787.89-148,176.62-27,715.48

Finding the Fourth Proportional to 98,787.89, 148,176.62 and 27,715.48

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Solution

The fourth proportional to 98,787.89, 148,176.62 and 27,715.48 is: 41,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,787.89 : 148,176.62 = 27,715.48 : x
  2. Step 2: Convert to fraction form
    98,787.89/148,176.62 = 27,715.48/x
  3. Step 3: Cross multiply
    98,787.89x = 148,176.62 × 27,715.48
  4. Step 4: Simplify right side
    98,787.89x = 4,106,786,078.79
  5. Step 5: Solve for x
    x = 4,106,786,078.79/98,787.89
  6. Step 6: Final answer
    x = 41,571.76

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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.