Home / 54,252.79-81,504.25-52,010.81

Finding the Fourth Proportional to 54,252.79, 81,504.25 and 52,010.81

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Solution

The fourth proportional to 54,252.79, 81,504.25 and 52,010.81 is: 78,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,252.79 : 81,504.25 = 52,010.81 : x
  2. Step 2: Convert to fraction form
    54,252.79/81,504.25 = 52,010.81/x
  3. Step 3: Cross multiply
    54,252.79x = 81,504.25 × 52,010.81
  4. Step 4: Simplify right side
    54,252.79x = 4,239,102,060.94
  5. Step 5: Solve for x
    x = 4,239,102,060.94/54,252.79
  6. Step 6: Final answer
    x = 78,136.11

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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.