Home / 106,439.04-146,879.46-61,107.12

Finding the Fourth Proportional to 106,439.04, 146,879.46 and 61,107.12

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Solution

The fourth proportional to 106,439.04, 146,879.46 and 61,107.12 is: 84,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.04 : 146,879.46 = 61,107.12 : x
  2. Step 2: Convert to fraction form
    106,439.04/146,879.46 = 61,107.12/x
  3. Step 3: Cross multiply
    106,439.04x = 146,879.46 × 61,107.12
  4. Step 4: Simplify right side
    106,439.04x = 8,975,380,787.76
  5. Step 5: Solve for x
    x = 8,975,380,787.76/106,439.04
  6. Step 6: Final answer
    x = 84,324.14

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Double scale
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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.