Home / 54,977.12-82,471.08-15,534.54

Finding the Fourth Proportional to 54,977.12, 82,471.08 and 15,534.54

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Solution

The fourth proportional to 54,977.12, 82,471.08 and 15,534.54 is: 23,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.12 : 82,471.08 = 15,534.54 : x
  2. Step 2: Convert to fraction form
    54,977.12/82,471.08 = 15,534.54/x
  3. Step 3: Cross multiply
    54,977.12x = 82,471.08 × 15,534.54
  4. Step 4: Simplify right side
    54,977.12x = 1,281,150,291.10
  5. Step 5: Solve for x
    x = 1,281,150,291.10/54,977.12
  6. Step 6: Final answer
    x = 23,303.34

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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.