Home / 98,195.36-135,513.51-55,757.84

Finding the Fourth Proportional to 98,195.36, 135,513.51 and 55,757.84

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Solution

The fourth proportional to 98,195.36, 135,513.51 and 55,757.84 is: 76,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,195.36 : 135,513.51 = 55,757.84 : x
  2. Step 2: Convert to fraction form
    98,195.36/135,513.51 = 55,757.84/x
  3. Step 3: Cross multiply
    98,195.36x = 135,513.51 × 55,757.84
  4. Step 4: Simplify right side
    98,195.36x = 7,555,940,608.42
  5. Step 5: Solve for x
    x = 7,555,940,608.42/98,195.36
  6. Step 6: Final answer
    x = 76,948.04

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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.