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Finding the Fourth Proportional to 67,662.12, 93,372.42 and 37,447.44

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Solution

The fourth proportional to 67,662.12, 93,372.42 and 37,447.44 is: 51,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,662.12 : 93,372.42 = 37,447.44 : x
  2. Step 2: Convert to fraction form
    67,662.12/93,372.42 = 37,447.44/x
  3. Step 3: Cross multiply
    67,662.12x = 93,372.42 × 37,447.44
  4. Step 4: Simplify right side
    67,662.12x = 3,496,558,095.60
  5. Step 5: Solve for x
    x = 3,496,558,095.60/67,662.12
  6. Step 6: Final answer
    x = 51,676.74

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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.