Home / 72,187.14-108,289.62-24,811.86

Finding the Fourth Proportional to 72,187.14, 108,289.62 and 24,811.86

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Solution

The fourth proportional to 72,187.14, 108,289.62 and 24,811.86 is: 37,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,187.14 : 108,289.62 = 24,811.86 : x
  2. Step 2: Convert to fraction form
    72,187.14/108,289.62 = 24,811.86/x
  3. Step 3: Cross multiply
    72,187.14x = 108,289.62 × 24,811.86
  4. Step 4: Simplify right side
    72,187.14x = 2,686,866,890.89
  5. Step 5: Solve for x
    x = 2,686,866,890.89/72,187.14
  6. Step 6: Final answer
    x = 37,220.85

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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.