Home / 89,816.88-123,954.36-49,534.32

Finding the Fourth Proportional to 89,816.88, 123,954.36 and 49,534.32

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Solution

The fourth proportional to 89,816.88, 123,954.36 and 49,534.32 is: 68,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.88 : 123,954.36 = 49,534.32 : x
  2. Step 2: Convert to fraction form
    89,816.88/123,954.36 = 49,534.32/x
  3. Step 3: Cross multiply
    89,816.88x = 123,954.36 × 49,534.32
  4. Step 4: Simplify right side
    89,816.88x = 6,139,994,933.64
  5. Step 5: Solve for x
    x = 6,139,994,933.64/89,816.88
  6. Step 6: Final answer
    x = 68,361.26

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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.