Home / 112,619.54-168,811.62-37,678.03

Finding the Fourth Proportional to 112,619.54, 168,811.62 and 37,678.03

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Solution

The fourth proportional to 112,619.54, 168,811.62 and 37,678.03 is: 56,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,619.54 : 168,811.62 = 37,678.03 : x
  2. Step 2: Convert to fraction form
    112,619.54/168,811.62 = 37,678.03/x
  3. Step 3: Cross multiply
    112,619.54x = 168,811.62 × 37,678.03
  4. Step 4: Simplify right side
    112,619.54x = 6,360,489,352.43
  5. Step 5: Solve for x
    x = 6,360,489,352.43/112,619.54
  6. Step 6: Final answer
    x = 56,477.67

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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.