Home / 79,006.72-118,556.85-29,121.86

Finding the Fourth Proportional to 79,006.72, 118,556.85 and 29,121.86

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Solution

The fourth proportional to 79,006.72, 118,556.85 and 29,121.86 is: 43,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,006.72 : 118,556.85 = 29,121.86 : x
  2. Step 2: Convert to fraction form
    79,006.72/118,556.85 = 29,121.86/x
  3. Step 3: Cross multiply
    79,006.72x = 118,556.85 × 29,121.86
  4. Step 4: Simplify right side
    79,006.72x = 3,452,595,987.74
  5. Step 5: Solve for x
    x = 3,452,595,987.74/79,006.72
  6. Step 6: Final answer
    x = 43,700.03

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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.