Home / 74,103.76-111,112.08-29,751.52

Finding the Fourth Proportional to 74,103.76, 111,112.08 and 29,751.52

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Solution

The fourth proportional to 74,103.76, 111,112.08 and 29,751.52 is: 44,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.76 : 111,112.08 = 29,751.52 : x
  2. Step 2: Convert to fraction form
    74,103.76/111,112.08 = 29,751.52/x
  3. Step 3: Cross multiply
    74,103.76x = 111,112.08 × 29,751.52
  4. Step 4: Simplify right side
    74,103.76x = 3,305,753,270.36
  5. Step 5: Solve for x
    x = 3,305,753,270.36/74,103.76
  6. Step 6: Final answer
    x = 44,609.79

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1.5x scale

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.