Home / 79,057.20-118,601.67-29,137.54

Finding the Fourth Proportional to 79,057.20, 118,601.67 and 29,137.54

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Solution

The fourth proportional to 79,057.20, 118,601.67 and 29,137.54 is: 43,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,057.20 : 118,601.67 = 29,137.54 : x
  2. Step 2: Convert to fraction form
    79,057.20/118,601.67 = 29,137.54/x
  3. Step 3: Cross multiply
    79,057.20x = 118,601.67 × 29,137.54
  4. Step 4: Simplify right side
    79,057.20x = 3,455,760,903.69
  5. Step 5: Solve for x
    x = 3,455,760,903.69/79,057.20
  6. Step 6: Final answer
    x = 43,712.16

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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.