Home / 112,496.40-168,768.90-33,618.60

Finding the Fourth Proportional to 112,496.40, 168,768.90 and 33,618.60

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Solution

The fourth proportional to 112,496.40, 168,768.90 and 33,618.60 is: 50,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,496.40 : 168,768.90 = 33,618.60 : x
  2. Step 2: Convert to fraction form
    112,496.40/168,768.90 = 33,618.60/x
  3. Step 3: Cross multiply
    112,496.40x = 168,768.90 × 33,618.60
  4. Step 4: Simplify right side
    112,496.40x = 5,673,774,141.54
  5. Step 5: Solve for x
    x = 5,673,774,141.54/112,496.40
  6. Step 6: Final answer
    x = 50,435.16

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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.