Home / 52,986.68-73,121.09-29,112.84

Finding the Fourth Proportional to 52,986.68, 73,121.09 and 29,112.84

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Solution

The fourth proportional to 52,986.68, 73,121.09 and 29,112.84 is: 40,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.68 : 73,121.09 = 29,112.84 : x
  2. Step 2: Convert to fraction form
    52,986.68/73,121.09 = 29,112.84/x
  3. Step 3: Cross multiply
    52,986.68x = 73,121.09 × 29,112.84
  4. Step 4: Simplify right side
    52,986.68x = 2,128,762,858.58
  5. Step 5: Solve for x
    x = 2,128,762,858.58/52,986.68
  6. Step 6: Final answer
    x = 40,175.43

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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.