Home / 49,982.40-74,973.60-13,046.40

Finding the Fourth Proportional to 49,982.40, 74,973.60 and 13,046.40

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Solution

The fourth proportional to 49,982.40, 74,973.60 and 13,046.40 is: 19,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982.40 : 74,973.60 = 13,046.40 : x
  2. Step 2: Convert to fraction form
    49,982.40/74,973.60 = 13,046.40/x
  3. Step 3: Cross multiply
    49,982.40x = 74,973.60 × 13,046.40
  4. Step 4: Simplify right side
    49,982.40x = 978,135,575.04
  5. Step 5: Solve for x
    x = 978,135,575.04/49,982.40
  6. Step 6: Final answer
    x = 19,569.60

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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.