Home / 98,933.41-148,449.33-78,963.37

Finding the Fourth Proportional to 98,933.41, 148,449.33 and 78,963.37

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Solution

The fourth proportional to 98,933.41, 148,449.33 and 78,963.37 is: 118,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,933.41 : 148,449.33 = 78,963.37 : x
  2. Step 2: Convert to fraction form
    98,933.41/148,449.33 = 78,963.37/x
  3. Step 3: Cross multiply
    98,933.41x = 148,449.33 × 78,963.37
  4. Step 4: Simplify right side
    98,933.41x = 11,722,058,999.92
  5. Step 5: Solve for x
    x = 11,722,058,999.92/98,933.41
  6. Step 6: Final answer
    x = 118,484.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.