Home / 84,429.44-126,644.13-31,826.62

Finding the Fourth Proportional to 84,429.44, 126,644.13 and 31,826.62

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Solution

The fourth proportional to 84,429.44, 126,644.13 and 31,826.62 is: 47,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,429.44 : 126,644.13 = 31,826.62 : x
  2. Step 2: Convert to fraction form
    84,429.44/126,644.13 = 31,826.62/x
  3. Step 3: Cross multiply
    84,429.44x = 126,644.13 × 31,826.62
  4. Step 4: Simplify right side
    84,429.44x = 4,030,654,125.00
  5. Step 5: Solve for x
    x = 4,030,654,125.00/84,429.44
  6. Step 6: Final answer
    x = 47,739.92

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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.