Home / 79,789.10-119,705.79-34,814.39

Finding the Fourth Proportional to 79,789.10, 119,705.79 and 34,814.39

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Solution

The fourth proportional to 79,789.10, 119,705.79 and 34,814.39 is: 52,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,789.10 : 119,705.79 = 34,814.39 : x
  2. Step 2: Convert to fraction form
    79,789.10/119,705.79 = 34,814.39/x
  3. Step 3: Cross multiply
    79,789.10x = 119,705.79 × 34,814.39
  4. Step 4: Simplify right side
    79,789.10x = 4,167,484,058.32
  5. Step 5: Solve for x
    x = 4,167,484,058.32/79,789.10
  6. Step 6: Final answer
    x = 52,231.25

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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.