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Finding the Fourth Proportional to 92,372.50, 127,474.05 and 67,243.06

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Solution

The fourth proportional to 92,372.50, 127,474.05 and 67,243.06 is: 92,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,372.50 : 127,474.05 = 67,243.06 : x
  2. Step 2: Convert to fraction form
    92,372.50/127,474.05 = 67,243.06/x
  3. Step 3: Cross multiply
    92,372.50x = 127,474.05 × 67,243.06
  4. Step 4: Simplify right side
    92,372.50x = 8,571,745,192.59
  5. Step 5: Solve for x
    x = 8,571,745,192.59/92,372.50
  6. Step 6: Final answer
    x = 92,795.42

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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.