Home / 102,621.28-153,936.24-32,499.04

Finding the Fourth Proportional to 102,621.28, 153,936.24 and 32,499.04

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Solution

The fourth proportional to 102,621.28, 153,936.24 and 32,499.04 is: 48,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,621.28 : 153,936.24 = 32,499.04 : x
  2. Step 2: Convert to fraction form
    102,621.28/153,936.24 = 32,499.04/x
  3. Step 3: Cross multiply
    102,621.28x = 153,936.24 × 32,499.04
  4. Step 4: Simplify right side
    102,621.28x = 5,002,780,021.21
  5. Step 5: Solve for x
    x = 5,002,780,021.21/102,621.28
  6. Step 6: Final answer
    x = 48,749.93

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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.