Home / 79,823.88-119,749.92-26,519.04

Finding the Fourth Proportional to 79,823.88, 119,749.92 and 26,519.04

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Solution

The fourth proportional to 79,823.88, 119,749.92 and 26,519.04 is: 39,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,823.88 : 119,749.92 = 26,519.04 : x
  2. Step 2: Convert to fraction form
    79,823.88/119,749.92 = 26,519.04/x
  3. Step 3: Cross multiply
    79,823.88x = 119,749.92 × 26,519.04
  4. Step 4: Simplify right side
    79,823.88x = 3,175,652,918.48
  5. Step 5: Solve for x
    x = 3,175,652,918.48/79,823.88
  6. Step 6: Final answer
    x = 39,783.24

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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.