Home / 48,721.94-73,087.54-13,661.50

Finding the Fourth Proportional to 48,721.94, 73,087.54 and 13,661.50

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Solution

The fourth proportional to 48,721.94, 73,087.54 and 13,661.50 is: 20,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.94 : 73,087.54 = 13,661.50 : x
  2. Step 2: Convert to fraction form
    48,721.94/73,087.54 = 13,661.50/x
  3. Step 3: Cross multiply
    48,721.94x = 73,087.54 × 13,661.50
  4. Step 4: Simplify right side
    48,721.94x = 998,485,427.71
  5. Step 5: Solve for x
    x = 998,485,427.71/48,721.94
  6. Step 6: Final answer
    x = 20,493.55

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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.