Home / 67,161.10-92,675.04-38,861.50

Finding the Fourth Proportional to 67,161.10, 92,675.04 and 38,861.50

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Solution

The fourth proportional to 67,161.10, 92,675.04 and 38,861.50 is: 53,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.10 : 92,675.04 = 38,861.50 : x
  2. Step 2: Convert to fraction form
    67,161.10/92,675.04 = 38,861.50/x
  3. Step 3: Cross multiply
    67,161.10x = 92,675.04 × 38,861.50
  4. Step 4: Simplify right side
    67,161.10x = 3,601,491,066.96
  5. Step 5: Solve for x
    x = 3,601,491,066.96/67,161.10
  6. Step 6: Final answer
    x = 53,624.66

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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.