Home / 112,744.14-168,880.91-67,622.40

Finding the Fourth Proportional to 112,744.14, 168,880.91 and 67,622.40

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Solution

The fourth proportional to 112,744.14, 168,880.91 and 67,622.40 is: 101,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.14 : 168,880.91 = 67,622.40 : x
  2. Step 2: Convert to fraction form
    112,744.14/168,880.91 = 67,622.40/x
  3. Step 3: Cross multiply
    112,744.14x = 168,880.91 × 67,622.40
  4. Step 4: Simplify right side
    112,744.14x = 11,420,132,743.58
  5. Step 5: Solve for x
    x = 11,420,132,743.58/112,744.14
  6. Step 6: Final answer
    x = 101,292.47

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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.