Home / 55,276.36-82,913.82-13,723.72

Finding the Fourth Proportional to 55,276.36, 82,913.82 and 13,723.72

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Solution

The fourth proportional to 55,276.36, 82,913.82 and 13,723.72 is: 20,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.36 : 82,913.82 = 13,723.72 : x
  2. Step 2: Convert to fraction form
    55,276.36/82,913.82 = 13,723.72/x
  3. Step 3: Cross multiply
    55,276.36x = 82,913.82 × 13,723.72
  4. Step 4: Simplify right side
    55,276.36x = 1,137,886,049.81
  5. Step 5: Solve for x
    x = 1,137,886,049.81/55,276.36
  6. Step 6: Final answer
    x = 20,585.40

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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.