Home / 84,939.54-117,218.82-46,700.70

Finding the Fourth Proportional to 84,939.54, 117,218.82 and 46,700.70

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Solution

The fourth proportional to 84,939.54, 117,218.82 and 46,700.70 is: 64,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939.54 : 117,218.82 = 46,700.70 : x
  2. Step 2: Convert to fraction form
    84,939.54/117,218.82 = 46,700.70/x
  3. Step 3: Cross multiply
    84,939.54x = 117,218.82 × 46,700.70
  4. Step 4: Simplify right side
    84,939.54x = 5,474,200,947.17
  5. Step 5: Solve for x
    x = 5,474,200,947.17/84,939.54
  6. Step 6: Final answer
    x = 64,448.21

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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.