Home / 49,645.05-74,466.93-12,205.45

Finding the Fourth Proportional to 49,645.05, 74,466.93 and 12,205.45

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Solution

The fourth proportional to 49,645.05, 74,466.93 and 12,205.45 is: 18,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.05 : 74,466.93 = 12,205.45 : x
  2. Step 2: Convert to fraction form
    49,645.05/74,466.93 = 12,205.45/x
  3. Step 3: Cross multiply
    49,645.05x = 74,466.93 × 12,205.45
  4. Step 4: Simplify right side
    49,645.05x = 908,902,669.54
  5. Step 5: Solve for x
    x = 908,902,669.54/49,645.05
  6. Step 6: Final answer
    x = 18,308.02

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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.