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Finding the Fourth Proportional to 67,137.48, 92,647.88 and 36,922.80

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Solution

The fourth proportional to 67,137.48, 92,647.88 and 36,922.80 is: 50,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,137.48 : 92,647.88 = 36,922.80 : x
  2. Step 2: Convert to fraction form
    67,137.48/92,647.88 = 36,922.80/x
  3. Step 3: Cross multiply
    67,137.48x = 92,647.88 × 36,922.80
  4. Step 4: Simplify right side
    67,137.48x = 3,420,818,959.05
  5. Step 5: Solve for x
    x = 3,420,818,959.05/67,137.48
  6. Step 6: Final answer
    x = 50,952.45

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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.