Home / 49,464.22-74,270.44-42,821.20

Finding the Fourth Proportional to 49,464.22, 74,270.44 and 42,821.20

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Solution

The fourth proportional to 49,464.22, 74,270.44 and 42,821.20 is: 64,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,464.22 : 74,270.44 = 42,821.20 : x
  2. Step 2: Convert to fraction form
    49,464.22/74,270.44 = 42,821.20/x
  3. Step 3: Cross multiply
    49,464.22x = 74,270.44 × 42,821.20
  4. Step 4: Simplify right side
    49,464.22x = 3,180,349,365.33
  5. Step 5: Solve for x
    x = 3,180,349,365.33/49,464.22
  6. Step 6: Final answer
    x = 64,295.96

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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.