Home / 67,240.10-100,823.70-27,752.60

Finding the Fourth Proportional to 67,240.10, 100,823.70 and 27,752.60

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Solution

The fourth proportional to 67,240.10, 100,823.70 and 27,752.60 is: 41,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,240.10 : 100,823.70 = 27,752.60 : x
  2. Step 2: Convert to fraction form
    67,240.10/100,823.70 = 27,752.60/x
  3. Step 3: Cross multiply
    67,240.10x = 100,823.70 × 27,752.60
  4. Step 4: Simplify right side
    67,240.10x = 2,798,119,816.62
  5. Step 5: Solve for x
    x = 2,798,119,816.62/67,240.10
  6. Step 6: Final answer
    x = 41,613.86

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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.