Home / 112,982.33-169,474.46-28,742.57

Finding the Fourth Proportional to 112,982.33, 169,474.46 and 28,742.57

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Solution

The fourth proportional to 112,982.33, 169,474.46 and 28,742.57 is: 43,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.33 : 169,474.46 = 28,742.57 : x
  2. Step 2: Convert to fraction form
    112,982.33/169,474.46 = 28,742.57/x
  3. Step 3: Cross multiply
    112,982.33x = 169,474.46 × 28,742.57
  4. Step 4: Simplify right side
    112,982.33x = 4,871,130,538.68
  5. Step 5: Solve for x
    x = 4,871,130,538.68/112,982.33
  6. Step 6: Final answer
    x = 43,114.09

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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.