Home / 67,221.68-92,771.64-37,012.88

Finding the Fourth Proportional to 67,221.68, 92,771.64 and 37,012.88

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Solution

The fourth proportional to 67,221.68, 92,771.64 and 37,012.88 is: 51,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221.68 : 92,771.64 = 37,012.88 : x
  2. Step 2: Convert to fraction form
    67,221.68/92,771.64 = 37,012.88/x
  3. Step 3: Cross multiply
    67,221.68x = 92,771.64 × 37,012.88
  4. Step 4: Simplify right side
    67,221.68x = 3,433,745,578.72
  5. Step 5: Solve for x
    x = 3,433,745,578.72/67,221.68
  6. Step 6: Final answer
    x = 51,080.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.