Home / 79,789.40-119,701.87-34,818.02

Finding the Fourth Proportional to 79,789.40, 119,701.87 and 34,818.02

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Solution

The fourth proportional to 79,789.40, 119,701.87 and 34,818.02 is: 52,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,789.40 : 119,701.87 = 34,818.02 : x
  2. Step 2: Convert to fraction form
    79,789.40/119,701.87 = 34,818.02/x
  3. Step 3: Cross multiply
    79,789.40x = 119,701.87 × 34,818.02
  4. Step 4: Simplify right side
    79,789.40x = 4,167,781,867.03
  5. Step 5: Solve for x
    x = 4,167,781,867.03/79,789.40
  6. Step 6: Final answer
    x = 52,234.78

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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.