Home / 49,448.90-74,172.66-12,009.26

Finding the Fourth Proportional to 49,448.90, 74,172.66 and 12,009.26

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Solution

The fourth proportional to 49,448.90, 74,172.66 and 12,009.26 is: 18,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448.90 : 74,172.66 = 12,009.26 : x
  2. Step 2: Convert to fraction form
    49,448.90/74,172.66 = 12,009.26/x
  3. Step 3: Cross multiply
    49,448.90x = 74,172.66 × 12,009.26
  4. Step 4: Simplify right side
    49,448.90x = 890,758,758.83
  5. Step 5: Solve for x
    x = 890,758,758.83/49,448.90
  6. Step 6: Final answer
    x = 18,013.72

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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.