Home / 63,185.85-87,201.06-36,336.78

Finding the Fourth Proportional to 63,185.85, 87,201.06 and 36,336.78

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Solution

The fourth proportional to 63,185.85, 87,201.06 and 36,336.78 is: 50,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,185.85 : 87,201.06 = 36,336.78 : x
  2. Step 2: Convert to fraction form
    63,185.85/87,201.06 = 36,336.78/x
  3. Step 3: Cross multiply
    63,185.85x = 87,201.06 × 36,336.78
  4. Step 4: Simplify right side
    63,185.85x = 3,168,605,732.99
  5. Step 5: Solve for x
    x = 3,168,605,732.99/63,185.85
  6. Step 6: Final answer
    x = 50,147.39

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Half scale
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Double scale
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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.