Home / 98,249.72-135,636.21-66,153.11

Finding the Fourth Proportional to 98,249.72, 135,636.21 and 66,153.11

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Solution

The fourth proportional to 98,249.72, 135,636.21 and 66,153.11 is: 91,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,249.72 : 135,636.21 = 66,153.11 : x
  2. Step 2: Convert to fraction form
    98,249.72/135,636.21 = 66,153.11/x
  3. Step 3: Cross multiply
    98,249.72x = 135,636.21 × 66,153.11
  4. Step 4: Simplify right side
    98,249.72x = 8,972,756,441.93
  5. Step 5: Solve for x
    x = 8,972,756,441.93/98,249.72
  6. Step 6: Final answer
    x = 91,326.03

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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.