Home / 66,453.76-91,716.32-41,311.36

Finding the Fourth Proportional to 66,453.76, 91,716.32 and 41,311.36

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Solution

The fourth proportional to 66,453.76, 91,716.32 and 41,311.36 is: 57,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,453.76 : 91,716.32 = 41,311.36 : x
  2. Step 2: Convert to fraction form
    66,453.76/91,716.32 = 41,311.36/x
  3. Step 3: Cross multiply
    66,453.76x = 91,716.32 × 41,311.36
  4. Step 4: Simplify right side
    66,453.76x = 3,788,925,913.40
  5. Step 5: Solve for x
    x = 3,788,925,913.40/66,453.76
  6. Step 6: Final answer
    x = 57,015.97

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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.