Home / 67,136.05-92,645.90-36,921.36

Finding the Fourth Proportional to 67,136.05, 92,645.90 and 36,921.36

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Solution

The fourth proportional to 67,136.05, 92,645.90 and 36,921.36 is: 50,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136.05 : 92,645.90 = 36,921.36 : x
  2. Step 2: Convert to fraction form
    67,136.05/92,645.90 = 36,921.36/x
  3. Step 3: Cross multiply
    67,136.05x = 92,645.90 × 36,921.36
  4. Step 4: Simplify right side
    67,136.05x = 3,420,612,441.82
  5. Step 5: Solve for x
    x = 3,420,612,441.82/67,136.05
  6. Step 6: Final answer
    x = 50,950.46

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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.