Home / 85,134.94-117,489.32-52,887.33

Finding the Fourth Proportional to 85,134.94, 117,489.32 and 52,887.33

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Solution

The fourth proportional to 85,134.94, 117,489.32 and 52,887.33 is: 72,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,134.94 : 117,489.32 = 52,887.33 : x
  2. Step 2: Convert to fraction form
    85,134.94/117,489.32 = 52,887.33/x
  3. Step 3: Cross multiply
    85,134.94x = 117,489.32 × 52,887.33
  4. Step 4: Simplify right side
    85,134.94x = 6,213,696,438.32
  5. Step 5: Solve for x
    x = 6,213,696,438.32/85,134.94
  6. Step 6: Final answer
    x = 72,986.44

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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.