Home / 55,940.04-77,179.84-31,736.99

Finding the Fourth Proportional to 55,940.04, 77,179.84 and 31,736.99

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Solution

The fourth proportional to 55,940.04, 77,179.84 and 31,736.99 is: 43,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.04 : 77,179.84 = 31,736.99 : x
  2. Step 2: Convert to fraction form
    55,940.04/77,179.84 = 31,736.99/x
  3. Step 3: Cross multiply
    55,940.04x = 77,179.84 × 31,736.99
  4. Step 4: Simplify right side
    55,940.04x = 2,449,455,923.89
  5. Step 5: Solve for x
    x = 2,449,455,923.89/55,940.04
  6. Step 6: Final answer
    x = 43,787.17

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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.