Home / 74,208.53-111,312.74-18,048.26

Finding the Fourth Proportional to 74,208.53, 111,312.74 and 18,048.26

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Solution

The fourth proportional to 74,208.53, 111,312.74 and 18,048.26 is: 27,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.53 : 111,312.74 = 18,048.26 : x
  2. Step 2: Convert to fraction form
    74,208.53/111,312.74 = 18,048.26/x
  3. Step 3: Cross multiply
    74,208.53x = 111,312.74 × 18,048.26
  4. Step 4: Simplify right side
    74,208.53x = 2,009,000,626.03
  5. Step 5: Solve for x
    x = 2,009,000,626.03/74,208.53
  6. Step 6: Final answer
    x = 27,072.37

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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.