Home / 73,845.36-110,756.04-21,242.88

Finding the Fourth Proportional to 73,845.36, 110,756.04 and 21,242.88

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Solution

The fourth proportional to 73,845.36, 110,756.04 and 21,242.88 is: 31,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,845.36 : 110,756.04 = 21,242.88 : x
  2. Step 2: Convert to fraction form
    73,845.36/110,756.04 = 21,242.88/x
  3. Step 3: Cross multiply
    73,845.36x = 110,756.04 × 21,242.88
  4. Step 4: Simplify right side
    73,845.36x = 2,352,777,267.00
  5. Step 5: Solve for x
    x = 2,352,777,267.00/73,845.36
  6. Step 6: Final answer
    x = 31,860.87

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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.