Home / 74,175.84-111,263.76-18,015.60

Finding the Fourth Proportional to 74,175.84, 111,263.76 and 18,015.60

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Solution

The fourth proportional to 74,175.84, 111,263.76 and 18,015.60 is: 27,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175.84 : 111,263.76 = 18,015.60 : x
  2. Step 2: Convert to fraction form
    74,175.84/111,263.76 = 18,015.60/x
  3. Step 3: Cross multiply
    74,175.84x = 111,263.76 × 18,015.60
  4. Step 4: Simplify right side
    74,175.84x = 2,004,483,394.66
  5. Step 5: Solve for x
    x = 2,004,483,394.66/74,175.84
  6. Step 6: Final answer
    x = 27,023.40

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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.