Home / 79,777.10-119,623.30-23,609.48

Finding the Fourth Proportional to 79,777.10, 119,623.30 and 23,609.48

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Solution

The fourth proportional to 79,777.10, 119,623.30 and 23,609.48 is: 35,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,777.10 : 119,623.30 = 23,609.48 : x
  2. Step 2: Convert to fraction form
    79,777.10/119,623.30 = 23,609.48/x
  3. Step 3: Cross multiply
    79,777.10x = 119,623.30 × 23,609.48
  4. Step 4: Simplify right side
    79,777.10x = 2,824,243,908.88
  5. Step 5: Solve for x
    x = 2,824,243,908.88/79,777.10
  6. Step 6: Final answer
    x = 35,401.69

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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.