Home / 76,055.72-114,073.46-19,891.36

Finding the Fourth Proportional to 76,055.72, 114,073.46 and 19,891.36

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Solution

The fourth proportional to 76,055.72, 114,073.46 and 19,891.36 is: 29,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,055.72 : 114,073.46 = 19,891.36 : x
  2. Step 2: Convert to fraction form
    76,055.72/114,073.46 = 19,891.36/x
  3. Step 3: Cross multiply
    76,055.72x = 114,073.46 × 19,891.36
  4. Step 4: Simplify right side
    76,055.72x = 2,269,075,589.48
  5. Step 5: Solve for x
    x = 2,269,075,589.48/76,055.72
  6. Step 6: Final answer
    x = 29,834.38

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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.