Home / 48,785.40-73,191.87-13,725.36

Finding the Fourth Proportional to 48,785.40, 73,191.87 and 13,725.36

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Solution

The fourth proportional to 48,785.40, 73,191.87 and 13,725.36 is: 20,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,785.40 : 73,191.87 = 13,725.36 : x
  2. Step 2: Convert to fraction form
    48,785.40/73,191.87 = 13,725.36/x
  3. Step 3: Cross multiply
    48,785.40x = 73,191.87 × 13,725.36
  4. Step 4: Simplify right side
    48,785.40x = 1,004,584,764.82
  5. Step 5: Solve for x
    x = 1,004,584,764.82/48,785.40
  6. Step 6: Final answer
    x = 20,591.91

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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.