Home / 41,155.79-61,735.83-13,078.04

Finding the Fourth Proportional to 41,155.79, 61,735.83 and 13,078.04

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Solution

The fourth proportional to 41,155.79, 61,735.83 and 13,078.04 is: 19,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,155.79 : 61,735.83 = 13,078.04 : x
  2. Step 2: Convert to fraction form
    41,155.79/61,735.83 = 13,078.04/x
  3. Step 3: Cross multiply
    41,155.79x = 61,735.83 × 13,078.04
  4. Step 4: Simplify right side
    41,155.79x = 807,383,654.17
  5. Step 5: Solve for x
    x = 807,383,654.17/41,155.79
  6. Step 6: Final answer
    x = 19,617.74

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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.