Home / 72,212.72-108,292.54-24,814.36

Finding the Fourth Proportional to 72,212.72, 108,292.54 and 24,814.36

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Solution

The fourth proportional to 72,212.72, 108,292.54 and 24,814.36 is: 37,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,212.72 : 108,292.54 = 24,814.36 : x
  2. Step 2: Convert to fraction form
    72,212.72/108,292.54 = 24,814.36/x
  3. Step 3: Cross multiply
    72,212.72x = 108,292.54 × 24,814.36
  4. Step 4: Simplify right side
    72,212.72x = 2,687,210,072.87
  5. Step 5: Solve for x
    x = 2,687,210,072.87/72,212.72
  6. Step 6: Final answer
    x = 37,212.42

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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.