Home / 112,468.84-168,703.26-45,940.36

Finding the Fourth Proportional to 112,468.84, 168,703.26 and 45,940.36

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Solution

The fourth proportional to 112,468.84, 168,703.26 and 45,940.36 is: 68,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,468.84 : 168,703.26 = 45,940.36 : x
  2. Step 2: Convert to fraction form
    112,468.84/168,703.26 = 45,940.36/x
  3. Step 3: Cross multiply
    112,468.84x = 168,703.26 × 45,940.36
  4. Step 4: Simplify right side
    112,468.84x = 7,750,288,497.57
  5. Step 5: Solve for x
    x = 7,750,288,497.57/112,468.84
  6. Step 6: Final answer
    x = 68,910.54

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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.