Home / 73,566.90-110,351.36-20,976.38

Finding the Fourth Proportional to 73,566.90, 110,351.36 and 20,976.38

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Solution

The fourth proportional to 73,566.90, 110,351.36 and 20,976.38 is: 31,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,566.90 : 110,351.36 = 20,976.38 : x
  2. Step 2: Convert to fraction form
    73,566.90/110,351.36 = 20,976.38/x
  3. Step 3: Cross multiply
    73,566.90x = 110,351.36 × 20,976.38
  4. Step 4: Simplify right side
    73,566.90x = 2,314,771,509.12
  5. Step 5: Solve for x
    x = 2,314,771,509.12/73,566.90
  6. Step 6: Final answer
    x = 31,464.85

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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.