Home / 49,464.16-74,270.34-42,821.14

Finding the Fourth Proportional to 49,464.16, 74,270.34 and 42,821.14

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Solution

The fourth proportional to 49,464.16, 74,270.34 and 42,821.14 is: 64,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,464.16 : 74,270.34 = 42,821.14 : x
  2. Step 2: Convert to fraction form
    49,464.16/74,270.34 = 42,821.14/x
  3. Step 3: Cross multiply
    49,464.16x = 74,270.34 × 42,821.14
  4. Step 4: Simplify right side
    49,464.16x = 3,180,340,626.99
  5. Step 5: Solve for x
    x = 3,180,340,626.99/49,464.16
  6. Step 6: Final answer
    x = 64,295.86

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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.