Home / 54,980.84-82,471.26-31,592.36

Finding the Fourth Proportional to 54,980.84, 82,471.26 and 31,592.36

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Solution

The fourth proportional to 54,980.84, 82,471.26 and 31,592.36 is: 47,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.84 : 82,471.26 = 31,592.36 : x
  2. Step 2: Convert to fraction form
    54,980.84/82,471.26 = 31,592.36/x
  3. Step 3: Cross multiply
    54,980.84x = 82,471.26 × 31,592.36
  4. Step 4: Simplify right side
    54,980.84x = 2,605,461,735.57
  5. Step 5: Solve for x
    x = 2,605,461,735.57/54,980.84
  6. Step 6: Final answer
    x = 47,388.54

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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.