Home / 67,136.16-92,645.78-36,921.39

Finding the Fourth Proportional to 67,136.16, 92,645.78 and 36,921.39

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Solution

The fourth proportional to 67,136.16, 92,645.78 and 36,921.39 is: 50,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136.16 : 92,645.78 = 36,921.39 : x
  2. Step 2: Convert to fraction form
    67,136.16/92,645.78 = 36,921.39/x
  3. Step 3: Cross multiply
    67,136.16x = 92,645.78 × 36,921.39
  4. Step 4: Simplify right side
    67,136.16x = 3,420,610,650.89
  5. Step 5: Solve for x
    x = 3,420,610,650.89/67,136.16
  6. Step 6: Final answer
    x = 50,950.35

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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.