Home / 54,124.20-81,171.72-36,701.10

Finding the Fourth Proportional to 54,124.20, 81,171.72 and 36,701.10

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Solution

The fourth proportional to 54,124.20, 81,171.72 and 36,701.10 is: 55,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,124.20 : 81,171.72 = 36,701.10 : x
  2. Step 2: Convert to fraction form
    54,124.20/81,171.72 = 36,701.10/x
  3. Step 3: Cross multiply
    54,124.20x = 81,171.72 × 36,701.10
  4. Step 4: Simplify right side
    54,124.20x = 2,979,091,412.89
  5. Step 5: Solve for x
    x = 2,979,091,412.89/54,124.20
  6. Step 6: Final answer
    x = 55,041.76

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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.