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Finding the Fourth Proportional to 66,672.14, 92,006.92 and 36,457.14

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Solution

The fourth proportional to 66,672.14, 92,006.92 and 36,457.14 is: 50,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672.14 : 92,006.92 = 36,457.14 : x
  2. Step 2: Convert to fraction form
    66,672.14/92,006.92 = 36,457.14/x
  3. Step 3: Cross multiply
    66,672.14x = 92,006.92 × 36,457.14
  4. Step 4: Simplify right side
    66,672.14x = 3,354,309,163.41
  5. Step 5: Solve for x
    x = 3,354,309,163.41/66,672.14
  6. Step 6: Final answer
    x = 50,310.51

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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.