Home / 67,120.74-92,629-36,908.36

Finding the Fourth Proportional to 67,120.74, 92,629 and 36,908.36

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Solution

The fourth proportional to 67,120.74, 92,629 and 36,908.36 is: 50,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.74 : 92,629 = 36,908.36 : x
  2. Step 2: Convert to fraction form
    67,120.74/92,629 = 36,908.36/x
  3. Step 3: Cross multiply
    67,120.74x = 92,629 × 36,908.36
  4. Step 4: Simplify right side
    67,120.74x = 3,418,784,478.44
  5. Step 5: Solve for x
    x = 3,418,784,478.44/67,120.74
  6. Step 6: Final answer
    x = 50,934.84

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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.