Home / 75,760.70-113,640.30-29,013.58

Finding the Fourth Proportional to 75,760.70, 113,640.30 and 29,013.58

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Solution

The fourth proportional to 75,760.70, 113,640.30 and 29,013.58 is: 43,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,760.70 : 113,640.30 = 29,013.58 : x
  2. Step 2: Convert to fraction form
    75,760.70/113,640.30 = 29,013.58/x
  3. Step 3: Cross multiply
    75,760.70x = 113,640.30 × 29,013.58
  4. Step 4: Simplify right side
    75,760.70x = 3,297,111,222.00
  5. Step 5: Solve for x
    x = 3,297,111,222.00/75,760.70
  6. Step 6: Final answer
    x = 43,520.07

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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.