Home / 100,983.72-151,473.96-34,423.32

Finding the Fourth Proportional to 100,983.72, 151,473.96 and 34,423.32

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Solution

The fourth proportional to 100,983.72, 151,473.96 and 34,423.32 is: 51,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,983.72 : 151,473.96 = 34,423.32 : x
  2. Step 2: Convert to fraction form
    100,983.72/151,473.96 = 34,423.32/x
  3. Step 3: Cross multiply
    100,983.72x = 151,473.96 × 34,423.32
  4. Step 4: Simplify right side
    100,983.72x = 5,214,236,596.75
  5. Step 5: Solve for x
    x = 5,214,236,596.75/100,983.72
  6. Step 6: Final answer
    x = 51,634.43

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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.