Home / 75,936.61-113,903.38-19,775.48

Finding the Fourth Proportional to 75,936.61, 113,903.38 and 19,775.48

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Solution

The fourth proportional to 75,936.61, 113,903.38 and 19,775.48 is: 29,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,936.61 : 113,903.38 = 19,775.48 : x
  2. Step 2: Convert to fraction form
    75,936.61/113,903.38 = 19,775.48/x
  3. Step 3: Cross multiply
    75,936.61x = 113,903.38 × 19,775.48
  4. Step 4: Simplify right side
    75,936.61x = 2,252,494,013.12
  5. Step 5: Solve for x
    x = 2,252,494,013.12/75,936.61
  6. Step 6: Final answer
    x = 29,662.82

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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.