Home / 73,269.07-109,910.91-20,679.01

Finding the Fourth Proportional to 73,269.07, 109,910.91 and 20,679.01

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Solution

The fourth proportional to 73,269.07, 109,910.91 and 20,679.01 is: 31,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,269.07 : 109,910.91 = 20,679.01 : x
  2. Step 2: Convert to fraction form
    73,269.07/109,910.91 = 20,679.01/x
  3. Step 3: Cross multiply
    73,269.07x = 109,910.91 × 20,679.01
  4. Step 4: Simplify right side
    73,269.07x = 2,272,848,807.00
  5. Step 5: Solve for x
    x = 2,272,848,807.00/73,269.07
  6. Step 6: Final answer
    x = 31,020.58

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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.