Home / 104,787.41-157,092.94-45,578.48

Finding the Fourth Proportional to 104,787.41, 157,092.94 and 45,578.48

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Solution

The fourth proportional to 104,787.41, 157,092.94 and 45,578.48 is: 68,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,787.41 : 157,092.94 = 45,578.48 : x
  2. Step 2: Convert to fraction form
    104,787.41/157,092.94 = 45,578.48/x
  3. Step 3: Cross multiply
    104,787.41x = 157,092.94 × 45,578.48
  4. Step 4: Simplify right side
    104,787.41x = 7,160,057,423.93
  5. Step 5: Solve for x
    x = 7,160,057,423.93/104,787.41
  6. Step 6: Final answer
    x = 68,329.37

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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.