Home / 74,188.68-111,262.86-21,584.52

Finding the Fourth Proportional to 74,188.68, 111,262.86 and 21,584.52

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Solution

The fourth proportional to 74,188.68, 111,262.86 and 21,584.52 is: 32,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,188.68 : 111,262.86 = 21,584.52 : x
  2. Step 2: Convert to fraction form
    74,188.68/111,262.86 = 21,584.52/x
  3. Step 3: Cross multiply
    74,188.68x = 111,262.86 × 21,584.52
  4. Step 4: Simplify right side
    74,188.68x = 2,401,555,426.93
  5. Step 5: Solve for x
    x = 2,401,555,426.93/74,188.68
  6. Step 6: Final answer
    x = 32,370.91

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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.