Home / 84,902.82-117,177.01-54,775.79

Finding the Fourth Proportional to 84,902.82, 117,177.01 and 54,775.79

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Solution

The fourth proportional to 84,902.82, 117,177.01 and 54,775.79 is: 75,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,902.82 : 117,177.01 = 54,775.79 : x
  2. Step 2: Convert to fraction form
    84,902.82/117,177.01 = 54,775.79/x
  3. Step 3: Cross multiply
    84,902.82x = 117,177.01 × 54,775.79
  4. Step 4: Simplify right side
    84,902.82x = 6,418,463,119.36
  5. Step 5: Solve for x
    x = 6,418,463,119.36/84,902.82
  6. Step 6: Final answer
    x = 75,597.76

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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.