Home / 84,721.92-116,918.40-46,996.80

Finding the Fourth Proportional to 84,721.92, 116,918.40 and 46,996.80

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Solution

The fourth proportional to 84,721.92, 116,918.40 and 46,996.80 is: 64,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.92 : 116,918.40 = 46,996.80 : x
  2. Step 2: Convert to fraction form
    84,721.92/116,918.40 = 46,996.80/x
  3. Step 3: Cross multiply
    84,721.92x = 116,918.40 × 46,996.80
  4. Step 4: Simplify right side
    84,721.92x = 5,494,790,661.12
  5. Step 5: Solve for x
    x = 5,494,790,661.12/84,721.92
  6. Step 6: Final answer
    x = 64,856.78

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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.