Home / 112,184.94-168,272.73-45,622.50

Finding the Fourth Proportional to 112,184.94, 168,272.73 and 45,622.50

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Solution

The fourth proportional to 112,184.94, 168,272.73 and 45,622.50 is: 68,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,184.94 : 168,272.73 = 45,622.50 : x
  2. Step 2: Convert to fraction form
    112,184.94/168,272.73 = 45,622.50/x
  3. Step 3: Cross multiply
    112,184.94x = 168,272.73 × 45,622.50
  4. Step 4: Simplify right side
    112,184.94x = 7,677,022,624.43
  5. Step 5: Solve for x
    x = 7,677,022,624.43/112,184.94
  6. Step 6: Final answer
    x = 68,431.85

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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.