Home / 79,629.39-119,440.02-29,705.55

Finding the Fourth Proportional to 79,629.39, 119,440.02 and 29,705.55

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Solution

The fourth proportional to 79,629.39, 119,440.02 and 29,705.55 is: 44,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,629.39 : 119,440.02 = 29,705.55 : x
  2. Step 2: Convert to fraction form
    79,629.39/119,440.02 = 29,705.55/x
  3. Step 3: Cross multiply
    79,629.39x = 119,440.02 × 29,705.55
  4. Step 4: Simplify right side
    79,629.39x = 3,548,031,486.11
  5. Step 5: Solve for x
    x = 3,548,031,486.11/79,629.39
  6. Step 6: Final answer
    x = 44,556.81

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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.