Home / 112,078.84-168,035.22-67,695.22

Finding the Fourth Proportional to 112,078.84, 168,035.22 and 67,695.22

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Solution

The fourth proportional to 112,078.84, 168,035.22 and 67,695.22 is: 101,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,078.84 : 168,035.22 = 67,695.22 : x
  2. Step 2: Convert to fraction form
    112,078.84/168,035.22 = 67,695.22/x
  3. Step 3: Cross multiply
    112,078.84x = 168,035.22 × 67,695.22
  4. Step 4: Simplify right side
    112,078.84x = 11,375,180,450.49
  5. Step 5: Solve for x
    x = 11,375,180,450.49/112,078.84
  6. Step 6: Final answer
    x = 101,492.67

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1.5x scale

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.