Home / 75,736.88-104,519-43,474.28

Finding the Fourth Proportional to 75,736.88, 104,519 and 43,474.28

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Solution

The fourth proportional to 75,736.88, 104,519 and 43,474.28 is: 59,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,736.88 : 104,519 = 43,474.28 : x
  2. Step 2: Convert to fraction form
    75,736.88/104,519 = 43,474.28/x
  3. Step 3: Cross multiply
    75,736.88x = 104,519 × 43,474.28
  4. Step 4: Simplify right side
    75,736.88x = 4,543,888,271.32
  5. Step 5: Solve for x
    x = 4,543,888,271.32/75,736.88
  6. Step 6: Final answer
    x = 59,995.72

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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.