Home / 67,072.46-92,553.63-40,209.98

Finding the Fourth Proportional to 67,072.46, 92,553.63 and 40,209.98

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Solution

The fourth proportional to 67,072.46, 92,553.63 and 40,209.98 is: 55,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072.46 : 92,553.63 = 40,209.98 : x
  2. Step 2: Convert to fraction form
    67,072.46/92,553.63 = 40,209.98/x
  3. Step 3: Cross multiply
    67,072.46x = 92,553.63 × 40,209.98
  4. Step 4: Simplify right side
    67,072.46x = 3,721,579,611.23
  5. Step 5: Solve for x
    x = 3,721,579,611.23/67,072.46
  6. Step 6: Final answer
    x = 55,485.96

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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.