Home / 54,225.03-81,351.57-31,754.69

Finding the Fourth Proportional to 54,225.03, 81,351.57 and 31,754.69

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Solution

The fourth proportional to 54,225.03, 81,351.57 and 31,754.69 is: 47,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.03 : 81,351.57 = 31,754.69 : x
  2. Step 2: Convert to fraction form
    54,225.03/81,351.57 = 31,754.69/x
  3. Step 3: Cross multiply
    54,225.03x = 81,351.57 × 31,754.69
  4. Step 4: Simplify right side
    54,225.03x = 2,583,293,886.36
  5. Step 5: Solve for x
    x = 2,583,293,886.36/54,225.03
  6. Step 6: Final answer
    x = 47,640.25

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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.