Home / 117,923.12-162,694.36-70,149.32

Finding the Fourth Proportional to 117,923.12, 162,694.36 and 70,149.32

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Solution

The fourth proportional to 117,923.12, 162,694.36 and 70,149.32 is: 96,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923.12 : 162,694.36 = 70,149.32 : x
  2. Step 2: Convert to fraction form
    117,923.12/162,694.36 = 70,149.32/x
  3. Step 3: Cross multiply
    117,923.12x = 162,694.36 × 70,149.32
  4. Step 4: Simplify right side
    117,923.12x = 11,412,898,721.84
  5. Step 5: Solve for x
    x = 11,412,898,721.84/117,923.12
  6. Step 6: Final answer
    x = 96,782.54

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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.