Home / 104,964.84-144,847.26-57,217.20

Finding the Fourth Proportional to 104,964.84, 144,847.26 and 57,217.20

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Solution

The fourth proportional to 104,964.84, 144,847.26 and 57,217.20 is: 78,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,964.84 : 144,847.26 = 57,217.20 : x
  2. Step 2: Convert to fraction form
    104,964.84/144,847.26 = 57,217.20/x
  3. Step 3: Cross multiply
    104,964.84x = 144,847.26 × 57,217.20
  4. Step 4: Simplify right side
    104,964.84x = 8,287,754,644.87
  5. Step 5: Solve for x
    x = 8,287,754,644.87/104,964.84
  6. Step 6: Final answer
    x = 78,957.44

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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.