Home / 85,179.86-117,553.53-46,939.37

Finding the Fourth Proportional to 85,179.86, 117,553.53 and 46,939.37

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Solution

The fourth proportional to 85,179.86, 117,553.53 and 46,939.37 is: 64,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179.86 : 117,553.53 = 46,939.37 : x
  2. Step 2: Convert to fraction form
    85,179.86/117,553.53 = 46,939.37/x
  3. Step 3: Cross multiply
    85,179.86x = 117,553.53 × 46,939.37
  4. Step 4: Simplify right side
    85,179.86x = 5,517,888,639.48
  5. Step 5: Solve for x
    x = 5,517,888,639.48/85,179.86
  6. Step 6: Final answer
    x = 64,779.26

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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.