Home / 74,518.18-111,795.03-21,929.38

Finding the Fourth Proportional to 74,518.18, 111,795.03 and 21,929.38

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Solution

The fourth proportional to 74,518.18, 111,795.03 and 21,929.38 is: 32,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.18 : 111,795.03 = 21,929.38 : x
  2. Step 2: Convert to fraction form
    74,518.18/111,795.03 = 21,929.38/x
  3. Step 3: Cross multiply
    74,518.18x = 111,795.03 × 21,929.38
  4. Step 4: Simplify right side
    74,518.18x = 2,451,595,694.98
  5. Step 5: Solve for x
    x = 2,451,595,694.98/74,518.18
  6. Step 6: Final answer
    x = 32,899.30

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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.