Home / 54,677.56-82,016.34-13,124.56

Finding the Fourth Proportional to 54,677.56, 82,016.34 and 13,124.56

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Solution

The fourth proportional to 54,677.56, 82,016.34 and 13,124.56 is: 19,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.56 : 82,016.34 = 13,124.56 : x
  2. Step 2: Convert to fraction form
    54,677.56/82,016.34 = 13,124.56/x
  3. Step 3: Cross multiply
    54,677.56x = 82,016.34 × 13,124.56
  4. Step 4: Simplify right side
    54,677.56x = 1,076,427,899.61
  5. Step 5: Solve for x
    x = 1,076,427,899.61/54,677.56
  6. Step 6: Final answer
    x = 19,686.83

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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.