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Finding the Fourth Proportional to 67,389.43, 92,995.93 and 37,174.78

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Solution

The fourth proportional to 67,389.43, 92,995.93 and 37,174.78 is: 51,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.43 : 92,995.93 = 37,174.78 : x
  2. Step 2: Convert to fraction form
    67,389.43/92,995.93 = 37,174.78/x
  3. Step 3: Cross multiply
    67,389.43x = 92,995.93 × 37,174.78
  4. Step 4: Simplify right side
    67,389.43x = 3,457,102,913.22
  5. Step 5: Solve for x
    x = 3,457,102,913.22/67,389.43
  6. Step 6: Final answer
    x = 51,300.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.