Home / 76,266.37-114,405.40-25,665.64

Finding the Fourth Proportional to 76,266.37, 114,405.40 and 25,665.64

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Solution

The fourth proportional to 76,266.37, 114,405.40 and 25,665.64 is: 38,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.37 : 114,405.40 = 25,665.64 : x
  2. Step 2: Convert to fraction form
    76,266.37/114,405.40 = 25,665.64/x
  3. Step 3: Cross multiply
    76,266.37x = 114,405.40 × 25,665.64
  4. Step 4: Simplify right side
    76,266.37x = 2,936,287,733.92
  5. Step 5: Solve for x
    x = 2,936,287,733.92/76,266.37
  6. Step 6: Final answer
    x = 38,500.43

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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.