Home / 102,899.20-154,250.24-32,739.84

Finding the Fourth Proportional to 102,899.20, 154,250.24 and 32,739.84

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Solution

The fourth proportional to 102,899.20, 154,250.24 and 32,739.84 is: 49,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,899.20 : 154,250.24 = 32,739.84 : x
  2. Step 2: Convert to fraction form
    102,899.20/154,250.24 = 32,739.84/x
  3. Step 3: Cross multiply
    102,899.20x = 154,250.24 × 32,739.84
  4. Step 4: Simplify right side
    102,899.20x = 5,050,128,177.56
  5. Step 5: Solve for x
    x = 5,050,128,177.56/102,899.20
  6. Step 6: Final answer
    x = 49,078.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.