Home / 63,441.78-87,546.21-35,145.78

Finding the Fourth Proportional to 63,441.78, 87,546.21 and 35,145.78

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Solution

The fourth proportional to 63,441.78, 87,546.21 and 35,145.78 is: 48,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,441.78 : 87,546.21 = 35,145.78 : x
  2. Step 2: Convert to fraction form
    63,441.78/87,546.21 = 35,145.78/x
  3. Step 3: Cross multiply
    63,441.78x = 87,546.21 × 35,145.78
  4. Step 4: Simplify right side
    63,441.78x = 3,076,879,836.49
  5. Step 5: Solve for x
    x = 3,076,879,836.49/63,441.78
  6. Step 6: Final answer
    x = 48,499.27

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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.