Home / 54,042.68-81,187.03-39,095.90

Finding the Fourth Proportional to 54,042.68, 81,187.03 and 39,095.90

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Solution

The fourth proportional to 54,042.68, 81,187.03 and 39,095.90 is: 58,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.68 : 81,187.03 = 39,095.90 : x
  2. Step 2: Convert to fraction form
    54,042.68/81,187.03 = 39,095.90/x
  3. Step 3: Cross multiply
    54,042.68x = 81,187.03 × 39,095.90
  4. Step 4: Simplify right side
    54,042.68x = 3,174,079,953.56
  5. Step 5: Solve for x
    x = 3,174,079,953.56/54,042.68
  6. Step 6: Final answer
    x = 58,732.84

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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.