Home / 73,441.72-110,162.36-20,851.24

Finding the Fourth Proportional to 73,441.72, 110,162.36 and 20,851.24

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Solution

The fourth proportional to 73,441.72, 110,162.36 and 20,851.24 is: 31,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,441.72 : 110,162.36 = 20,851.24 : x
  2. Step 2: Convert to fraction form
    73,441.72/110,162.36 = 20,851.24/x
  3. Step 3: Cross multiply
    73,441.72x = 110,162.36 × 20,851.24
  4. Step 4: Simplify right side
    73,441.72x = 2,297,021,703.07
  5. Step 5: Solve for x
    x = 2,297,021,703.07/73,441.72
  6. Step 6: Final answer
    x = 31,276.80

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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.