Home / 84,145.54-116,112.33-49,684.90

Finding the Fourth Proportional to 84,145.54, 116,112.33 and 49,684.90

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Solution

The fourth proportional to 84,145.54, 116,112.33 and 49,684.90 is: 68,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,145.54 : 116,112.33 = 49,684.90 : x
  2. Step 2: Convert to fraction form
    84,145.54/116,112.33 = 49,684.90/x
  3. Step 3: Cross multiply
    84,145.54x = 116,112.33 × 49,684.90
  4. Step 4: Simplify right side
    84,145.54x = 5,769,029,504.82
  5. Step 5: Solve for x
    x = 5,769,029,504.82/84,145.54
  6. Step 6: Final answer
    x = 68,560.13

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1.5x scale

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.