Home / 104,104.20-143,663.79-56,357.94

Finding the Fourth Proportional to 104,104.20, 143,663.79 and 56,357.94

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Solution

The fourth proportional to 104,104.20, 143,663.79 and 56,357.94 is: 77,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.20 : 143,663.79 = 56,357.94 : x
  2. Step 2: Convert to fraction form
    104,104.20/143,663.79 = 56,357.94/x
  3. Step 3: Cross multiply
    104,104.20x = 143,663.79 × 56,357.94
  4. Step 4: Simplify right side
    104,104.20x = 8,096,595,256.99
  5. Step 5: Solve for x
    x = 8,096,595,256.99/104,104.20
  6. Step 6: Final answer
    x = 77,773.95

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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.