Home / 63,187.35-87,198.42-36,335.04

Finding the Fourth Proportional to 63,187.35, 87,198.42 and 36,335.04

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Solution

The fourth proportional to 63,187.35, 87,198.42 and 36,335.04 is: 50,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187.35 : 87,198.42 = 36,335.04 : x
  2. Step 2: Convert to fraction form
    63,187.35/87,198.42 = 36,335.04/x
  3. Step 3: Cross multiply
    63,187.35x = 87,198.42 × 36,335.04
  4. Step 4: Simplify right side
    63,187.35x = 3,168,358,078.64
  5. Step 5: Solve for x
    x = 3,168,358,078.64/63,187.35
  6. Step 6: Final answer
    x = 50,142.28

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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.