Home / 81,150.48-111,979.44-46,694.34

Finding the Fourth Proportional to 81,150.48, 111,979.44 and 46,694.34

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Solution

The fourth proportional to 81,150.48, 111,979.44 and 46,694.34 is: 64,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,150.48 : 111,979.44 = 46,694.34 : x
  2. Step 2: Convert to fraction form
    81,150.48/111,979.44 = 46,694.34/x
  3. Step 3: Cross multiply
    81,150.48x = 111,979.44 × 46,694.34
  4. Step 4: Simplify right side
    81,150.48x = 5,228,806,044.37
  5. Step 5: Solve for x
    x = 5,228,806,044.37/81,150.48
  6. Step 6: Final answer
    x = 64,433.46

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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.