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Finding the Fourth Proportional to 67,313.40, 92,893.12 and 37,099.80

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Solution

The fourth proportional to 67,313.40, 92,893.12 and 37,099.80 is: 51,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,313.40 : 92,893.12 = 37,099.80 : x
  2. Step 2: Convert to fraction form
    67,313.40/92,893.12 = 37,099.80/x
  3. Step 3: Cross multiply
    67,313.40x = 92,893.12 × 37,099.80
  4. Step 4: Simplify right side
    67,313.40x = 3,446,316,173.38
  5. Step 5: Solve for x
    x = 3,446,316,173.38/67,313.40
  6. Step 6: Final answer
    x = 51,198.07

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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.