Home / 67,106.55-100,586.01-27,642.14

Finding the Fourth Proportional to 67,106.55, 100,586.01 and 27,642.14

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Solution

The fourth proportional to 67,106.55, 100,586.01 and 27,642.14 is: 41,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,106.55 : 100,586.01 = 27,642.14 : x
  2. Step 2: Convert to fraction form
    67,106.55/100,586.01 = 27,642.14/x
  3. Step 3: Cross multiply
    67,106.55x = 100,586.01 × 27,642.14
  4. Step 4: Simplify right side
    67,106.55x = 2,780,412,548.39
  5. Step 5: Solve for x
    x = 2,780,412,548.39/67,106.55
  6. Step 6: Final answer
    x = 41,432.80

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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.