Home / 84,351.76-116,359.35-54,103.42

Finding the Fourth Proportional to 84,351.76, 116,359.35 and 54,103.42

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Solution

The fourth proportional to 84,351.76, 116,359.35 and 54,103.42 is: 74,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,351.76 : 116,359.35 = 54,103.42 : x
  2. Step 2: Convert to fraction form
    84,351.76/116,359.35 = 54,103.42/x
  3. Step 3: Cross multiply
    84,351.76x = 116,359.35 × 54,103.42
  4. Step 4: Simplify right side
    84,351.76x = 6,295,438,202.18
  5. Step 5: Solve for x
    x = 6,295,438,202.18/84,351.76
  6. Step 6: Final answer
    x = 74,633.16

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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.