Home / 100,052.51-150,029.43-35,131.41

Finding the Fourth Proportional to 100,052.51, 150,029.43 and 35,131.41

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Solution

The fourth proportional to 100,052.51, 150,029.43 and 35,131.41 is: 52,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,052.51 : 150,029.43 = 35,131.41 : x
  2. Step 2: Convert to fraction form
    100,052.51/150,029.43 = 35,131.41/x
  3. Step 3: Cross multiply
    100,052.51x = 150,029.43 × 35,131.41
  4. Step 4: Simplify right side
    100,052.51x = 5,270,745,417.40
  5. Step 5: Solve for x
    x = 5,270,745,417.40/100,052.51
  6. Step 6: Final answer
    x = 52,679.79

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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.