Home / 48,137.36-72,179.36-19,694.29

Finding the Fourth Proportional to 48,137.36, 72,179.36 and 19,694.29

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Solution

The fourth proportional to 48,137.36, 72,179.36 and 19,694.29 is: 29,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,137.36 : 72,179.36 = 19,694.29 : x
  2. Step 2: Convert to fraction form
    48,137.36/72,179.36 = 19,694.29/x
  3. Step 3: Cross multiply
    48,137.36x = 72,179.36 × 19,694.29
  4. Step 4: Simplify right side
    48,137.36x = 1,421,521,247.85
  5. Step 5: Solve for x
    x = 1,421,521,247.85/48,137.36
  6. Step 6: Final answer
    x = 29,530.52

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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.