Home / 76,139.33-114,208.64-50,785.25

Finding the Fourth Proportional to 76,139.33, 114,208.64 and 50,785.25

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Solution

The fourth proportional to 76,139.33, 114,208.64 and 50,785.25 is: 76,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,139.33 : 114,208.64 = 50,785.25 : x
  2. Step 2: Convert to fraction form
    76,139.33/114,208.64 = 50,785.25/x
  3. Step 3: Cross multiply
    76,139.33x = 114,208.64 × 50,785.25
  4. Step 4: Simplify right side
    76,139.33x = 5,800,114,080.63
  5. Step 5: Solve for x
    x = 5,800,114,080.63/76,139.33
  6. Step 6: Final answer
    x = 76,177.63

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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.