Home / 67,157.43-92,675.30-36,942.72

Finding the Fourth Proportional to 67,157.43, 92,675.30 and 36,942.72

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Solution

The fourth proportional to 67,157.43, 92,675.30 and 36,942.72 is: 50,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157.43 : 92,675.30 = 36,942.72 : x
  2. Step 2: Convert to fraction form
    67,157.43/92,675.30 = 36,942.72/x
  3. Step 3: Cross multiply
    67,157.43x = 92,675.30 × 36,942.72
  4. Step 4: Simplify right side
    67,157.43x = 3,423,677,474.10
  5. Step 5: Solve for x
    x = 3,423,677,474.10/67,157.43
  6. Step 6: Final answer
    x = 50,979.88

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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.