Home / 106,439.54-146,880.15-61,107.62

Finding the Fourth Proportional to 106,439.54, 146,880.15 and 61,107.62

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Solution

The fourth proportional to 106,439.54, 146,880.15 and 61,107.62 is: 84,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.54 : 146,880.15 = 61,107.62 : x
  2. Step 2: Convert to fraction form
    106,439.54/146,880.15 = 61,107.62/x
  3. Step 3: Cross multiply
    106,439.54x = 146,880.15 × 61,107.62
  4. Step 4: Simplify right side
    106,439.54x = 8,975,496,391.74
  5. Step 5: Solve for x
    x = 8,975,496,391.74/106,439.54
  6. Step 6: Final answer
    x = 84,324.83

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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.