Home / 98,383.22-135,768.21-55,941.75

Finding the Fourth Proportional to 98,383.22, 135,768.21 and 55,941.75

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Solution

The fourth proportional to 98,383.22, 135,768.21 and 55,941.75 is: 77,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,383.22 : 135,768.21 = 55,941.75 : x
  2. Step 2: Convert to fraction form
    98,383.22/135,768.21 = 55,941.75/x
  3. Step 3: Cross multiply
    98,383.22x = 135,768.21 × 55,941.75
  4. Step 4: Simplify right side
    98,383.22x = 7,595,111,261.77
  5. Step 5: Solve for x
    x = 7,595,111,261.77/98,383.22
  6. Step 6: Final answer
    x = 77,199.25

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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.