Home / 66,887.43-100,322.94-38,822.75

Finding the Fourth Proportional to 66,887.43, 100,322.94 and 38,822.75

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Solution

The fourth proportional to 66,887.43, 100,322.94 and 38,822.75 is: 58,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.43 : 100,322.94 = 38,822.75 : x
  2. Step 2: Convert to fraction form
    66,887.43/100,322.94 = 38,822.75/x
  3. Step 3: Cross multiply
    66,887.43x = 100,322.94 × 38,822.75
  4. Step 4: Simplify right side
    66,887.43x = 3,894,812,418.89
  5. Step 5: Solve for x
    x = 3,894,812,418.89/66,887.43
  6. Step 6: Final answer
    x = 58,229.36

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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.