Home / 98,682.07-136,182.03-54,481.05

Finding the Fourth Proportional to 98,682.07, 136,182.03 and 54,481.05

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Solution

The fourth proportional to 98,682.07, 136,182.03 and 54,481.05 is: 75,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,682.07 : 136,182.03 = 54,481.05 : x
  2. Step 2: Convert to fraction form
    98,682.07/136,182.03 = 54,481.05/x
  3. Step 3: Cross multiply
    98,682.07x = 136,182.03 × 54,481.05
  4. Step 4: Simplify right side
    98,682.07x = 7,419,339,713.13
  5. Step 5: Solve for x
    x = 7,419,339,713.13/98,682.07
  6. Step 6: Final answer
    x = 75,184.27

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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.