Home / 90,551.06-135,852.52-43,830.26

Finding the Fourth Proportional to 90,551.06, 135,852.52 and 43,830.26

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Solution

The fourth proportional to 90,551.06, 135,852.52 and 43,830.26 is: 65,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,551.06 : 135,852.52 = 43,830.26 : x
  2. Step 2: Convert to fraction form
    90,551.06/135,852.52 = 43,830.26/x
  3. Step 3: Cross multiply
    90,551.06x = 135,852.52 × 43,830.26
  4. Step 4: Simplify right side
    90,551.06x = 5,954,451,273.26
  5. Step 5: Solve for x
    x = 5,954,451,273.26/90,551.06
  6. Step 6: Final answer
    x = 65,757.94

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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.