Home / 73,992.08-111,004.74-21,405.66

Finding the Fourth Proportional to 73,992.08, 111,004.74 and 21,405.66

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Solution

The fourth proportional to 73,992.08, 111,004.74 and 21,405.66 is: 32,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,992.08 : 111,004.74 = 21,405.66 : x
  2. Step 2: Convert to fraction form
    73,992.08/111,004.74 = 21,405.66/x
  3. Step 3: Cross multiply
    73,992.08x = 111,004.74 × 21,405.66
  4. Step 4: Simplify right side
    73,992.08x = 2,376,129,722.83
  5. Step 5: Solve for x
    x = 2,376,129,722.83/73,992.08
  6. Step 6: Final answer
    x = 32,113.30

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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.