Home / 104,181.11-143,769.91-56,434.44

Finding the Fourth Proportional to 104,181.11, 143,769.91 and 56,434.44

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Solution

The fourth proportional to 104,181.11, 143,769.91 and 56,434.44 is: 77,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.11 : 143,769.91 = 56,434.44 : x
  2. Step 2: Convert to fraction form
    104,181.11/143,769.91 = 56,434.44/x
  3. Step 3: Cross multiply
    104,181.11x = 143,769.91 × 56,434.44
  4. Step 4: Simplify right side
    104,181.11x = 8,113,574,359.70
  5. Step 5: Solve for x
    x = 8,113,574,359.70/104,181.11
  6. Step 6: Final answer
    x = 77,879.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.