Home / 73,612.08-110,399.58-21,021.84

Finding the Fourth Proportional to 73,612.08, 110,399.58 and 21,021.84

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Solution

The fourth proportional to 73,612.08, 110,399.58 and 21,021.84 is: 31,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.08 : 110,399.58 = 21,021.84 : x
  2. Step 2: Convert to fraction form
    73,612.08/110,399.58 = 21,021.84/x
  3. Step 3: Cross multiply
    73,612.08x = 110,399.58 × 21,021.84
  4. Step 4: Simplify right side
    73,612.08x = 2,320,802,306.83
  5. Step 5: Solve for x
    x = 2,320,802,306.83/73,612.08
  6. Step 6: Final answer
    x = 31,527.47

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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.