Home / 112,261.18-168,419.67-33,375.28

Finding the Fourth Proportional to 112,261.18, 168,419.67 and 33,375.28

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Solution

The fourth proportional to 112,261.18, 168,419.67 and 33,375.28 is: 50,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,261.18 : 168,419.67 = 33,375.28 : x
  2. Step 2: Convert to fraction form
    112,261.18/168,419.67 = 33,375.28/x
  3. Step 3: Cross multiply
    112,261.18x = 168,419.67 × 33,375.28
  4. Step 4: Simplify right side
    112,261.18x = 5,621,053,139.27
  5. Step 5: Solve for x
    x = 5,621,053,139.27/112,261.18
  6. Step 6: Final answer
    x = 50,071.21

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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.