Home / 49,442.45-74,180.08-19,845.05

Finding the Fourth Proportional to 49,442.45, 74,180.08 and 19,845.05

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Solution

The fourth proportional to 49,442.45, 74,180.08 and 19,845.05 is: 29,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,442.45 : 74,180.08 = 19,845.05 : x
  2. Step 2: Convert to fraction form
    49,442.45/74,180.08 = 19,845.05/x
  3. Step 3: Cross multiply
    49,442.45x = 74,180.08 × 19,845.05
  4. Step 4: Simplify right side
    49,442.45x = 1,472,107,396.60
  5. Step 5: Solve for x
    x = 1,472,107,396.60/49,442.45
  6. Step 6: Final answer
    x = 29,774.16

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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.