Home / 49,775.22-74,669.85-18,607.50

Finding the Fourth Proportional to 49,775.22, 74,669.85 and 18,607.50

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Solution

The fourth proportional to 49,775.22, 74,669.85 and 18,607.50 is: 27,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775.22 : 74,669.85 = 18,607.50 : x
  2. Step 2: Convert to fraction form
    49,775.22/74,669.85 = 18,607.50/x
  3. Step 3: Cross multiply
    49,775.22x = 74,669.85 × 18,607.50
  4. Step 4: Simplify right side
    49,775.22x = 1,389,419,233.88
  5. Step 5: Solve for x
    x = 1,389,419,233.88/49,775.22
  6. Step 6: Final answer
    x = 27,913.87

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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.