Home / 105,880.68-146,115.59-58,137.11

Finding the Fourth Proportional to 105,880.68, 146,115.59 and 58,137.11

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Solution

The fourth proportional to 105,880.68, 146,115.59 and 58,137.11 is: 80,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,880.68 : 146,115.59 = 58,137.11 : x
  2. Step 2: Convert to fraction form
    105,880.68/146,115.59 = 58,137.11/x
  3. Step 3: Cross multiply
    105,880.68x = 146,115.59 × 58,137.11
  4. Step 4: Simplify right side
    105,880.68x = 8,494,737,107.28
  5. Step 5: Solve for x
    x = 8,494,737,107.28/105,880.68
  6. Step 6: Final answer
    x = 80,229.34

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1.5x scale

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.