Home / 112,519.20-168,584.40-53,227.20

Finding the Fourth Proportional to 112,519.20, 168,584.40 and 53,227.20

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Solution

The fourth proportional to 112,519.20, 168,584.40 and 53,227.20 is: 79,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.20 : 168,584.40 = 53,227.20 : x
  2. Step 2: Convert to fraction form
    112,519.20/168,584.40 = 53,227.20/x
  3. Step 3: Cross multiply
    112,519.20x = 168,584.40 × 53,227.20
  4. Step 4: Simplify right side
    112,519.20x = 8,973,275,575.68
  5. Step 5: Solve for x
    x = 8,973,275,575.68/112,519.20
  6. Step 6: Final answer
    x = 79,748.84

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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.