Home / 111,994.20-168,015.63-52,059.47

Finding the Fourth Proportional to 111,994.20, 168,015.63 and 52,059.47

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Solution

The fourth proportional to 111,994.20, 168,015.63 and 52,059.47 is: 78,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,994.20 : 168,015.63 = 52,059.47 : x
  2. Step 2: Convert to fraction form
    111,994.20/168,015.63 = 52,059.47/x
  3. Step 3: Cross multiply
    111,994.20x = 168,015.63 × 52,059.47
  4. Step 4: Simplify right side
    111,994.20x = 8,746,803,809.44
  5. Step 5: Solve for x
    x = 8,746,803,809.44/111,994.20
  6. Step 6: Final answer
    x = 78,100.51

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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.