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Finding the Fourth Proportional to 67,395.40, 100,893.42 and 49,943.56

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Solution

The fourth proportional to 67,395.40, 100,893.42 and 49,943.56 is: 74,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,395.40 : 100,893.42 = 49,943.56 : x
  2. Step 2: Convert to fraction form
    67,395.40/100,893.42 = 49,943.56/x
  3. Step 3: Cross multiply
    67,395.40x = 100,893.42 × 49,943.56
  4. Step 4: Simplify right side
    67,395.40x = 5,038,976,575.38
  5. Step 5: Solve for x
    x = 5,038,976,575.38/67,395.40
  6. Step 6: Final answer
    x = 74,767.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.