Home / 84,606.28-116,519.78-82,769.48

Finding the Fourth Proportional to 84,606.28, 116,519.78 and 82,769.48

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Solution

The fourth proportional to 84,606.28, 116,519.78 and 82,769.48 is: 113,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,606.28 : 116,519.78 = 82,769.48 : x
  2. Step 2: Convert to fraction form
    84,606.28/116,519.78 = 82,769.48/x
  3. Step 3: Cross multiply
    84,606.28x = 116,519.78 × 82,769.48
  4. Step 4: Simplify right side
    84,606.28x = 9,644,281,600.31
  5. Step 5: Solve for x
    x = 9,644,281,600.31/84,606.28
  6. Step 6: Final answer
    x = 113,990.14

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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.