Home / 127,797.39-191,629.32-47,769.60

Finding the Fourth Proportional to 127,797.39, 191,629.32 and 47,769.60

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Solution

The fourth proportional to 127,797.39, 191,629.32 and 47,769.60 is: 71,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,797.39 : 191,629.32 = 47,769.60 : x
  2. Step 2: Convert to fraction form
    127,797.39/191,629.32 = 47,769.60/x
  3. Step 3: Cross multiply
    127,797.39x = 191,629.32 × 47,769.60
  4. Step 4: Simplify right side
    127,797.39x = 9,154,055,964.67
  5. Step 5: Solve for x
    x = 9,154,055,964.67/127,797.39
  6. Step 6: Final answer
    x = 71,629.44

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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.