Home / 54,875.54-82,313.40-13,322.54

Finding the Fourth Proportional to 54,875.54, 82,313.40 and 13,322.54

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Solution

The fourth proportional to 54,875.54, 82,313.40 and 13,322.54 is: 19,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.54 : 82,313.40 = 13,322.54 : x
  2. Step 2: Convert to fraction form
    54,875.54/82,313.40 = 13,322.54/x
  3. Step 3: Cross multiply
    54,875.54x = 82,313.40 × 13,322.54
  4. Step 4: Simplify right side
    54,875.54x = 1,096,623,564.04
  5. Step 5: Solve for x
    x = 1,096,623,564.04/54,875.54
  6. Step 6: Final answer
    x = 19,983.83

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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.