Home / 54,705.06-82,057.62-31,315.26

Finding the Fourth Proportional to 54,705.06, 82,057.62 and 31,315.26

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Solution

The fourth proportional to 54,705.06, 82,057.62 and 31,315.26 is: 46,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.06 : 82,057.62 = 31,315.26 : x
  2. Step 2: Convert to fraction form
    54,705.06/82,057.62 = 31,315.26/x
  3. Step 3: Cross multiply
    54,705.06x = 82,057.62 × 31,315.26
  4. Step 4: Simplify right side
    54,705.06x = 2,569,655,705.28
  5. Step 5: Solve for x
    x = 2,569,655,705.28/54,705.06
  6. Step 6: Final answer
    x = 46,972.91

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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.