Home / 54,735.04-81,942.54-49,482.09

Finding the Fourth Proportional to 54,735.04, 81,942.54 and 49,482.09

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Solution

The fourth proportional to 54,735.04, 81,942.54 and 49,482.09 is: 74,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,735.04 : 81,942.54 = 49,482.09 : x
  2. Step 2: Convert to fraction form
    54,735.04/81,942.54 = 49,482.09/x
  3. Step 3: Cross multiply
    54,735.04x = 81,942.54 × 49,482.09
  4. Step 4: Simplify right side
    54,735.04x = 4,054,687,953.55
  5. Step 5: Solve for x
    x = 4,054,687,953.55/54,735.04
  6. Step 6: Final answer
    x = 74,078.47

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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.