Home / 48,721.44-73,086.80-13,661.00

Finding the Fourth Proportional to 48,721.44, 73,086.80 and 13,661.00

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Solution

The fourth proportional to 48,721.44, 73,086.80 and 13,661.00 is: 20,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.44 : 73,086.80 = 13,661.00 : x
  2. Step 2: Convert to fraction form
    48,721.44/73,086.80 = 13,661.00/x
  3. Step 3: Cross multiply
    48,721.44x = 73,086.80 × 13,661.00
  4. Step 4: Simplify right side
    48,721.44x = 998,438,341.06
  5. Step 5: Solve for x
    x = 998,438,341.06/48,721.44
  6. Step 6: Final answer
    x = 20,492.79

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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.