Home / 112,448.85-168,728.25-49,260.35

Finding the Fourth Proportional to 112,448.85, 168,728.25 and 49,260.35

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Solution

The fourth proportional to 112,448.85, 168,728.25 and 49,260.35 is: 73,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,448.85 : 168,728.25 = 49,260.35 : x
  2. Step 2: Convert to fraction form
    112,448.85/168,728.25 = 49,260.35/x
  3. Step 3: Cross multiply
    112,448.85x = 168,728.25 × 49,260.35
  4. Step 4: Simplify right side
    112,448.85x = 8,311,611,806.25
  5. Step 5: Solve for x
    x = 8,311,611,806.25/112,448.85
  6. Step 6: Final answer
    x = 73,914.60

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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.