Home / 67,236.52-92,778.42-38,936.68

Finding the Fourth Proportional to 67,236.52, 92,778.42 and 38,936.68

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Solution

The fourth proportional to 67,236.52, 92,778.42 and 38,936.68 is: 53,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,236.52 : 92,778.42 = 38,936.68 : x
  2. Step 2: Convert to fraction form
    67,236.52/92,778.42 = 38,936.68/x
  3. Step 3: Cross multiply
    67,236.52x = 92,778.42 × 38,936.68
  4. Step 4: Simplify right side
    67,236.52x = 3,612,483,650.45
  5. Step 5: Solve for x
    x = 3,612,483,650.45/67,236.52
  6. Step 6: Final answer
    x = 53,728.00

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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.