Home / 84,539.79-116,644.88-50,067.12

Finding the Fourth Proportional to 84,539.79, 116,644.88 and 50,067.12

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Solution

The fourth proportional to 84,539.79, 116,644.88 and 50,067.12 is: 69,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,539.79 : 116,644.88 = 50,067.12 : x
  2. Step 2: Convert to fraction form
    84,539.79/116,644.88 = 50,067.12/x
  3. Step 3: Cross multiply
    84,539.79x = 116,644.88 × 50,067.12
  4. Step 4: Simplify right side
    84,539.79x = 5,840,072,954.01
  5. Step 5: Solve for x
    x = 5,840,072,954.01/84,539.79
  6. Step 6: Final answer
    x = 69,080.76

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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.