Home / 84,612.20-116,528.10-82,775.48

Finding the Fourth Proportional to 84,612.20, 116,528.10 and 82,775.48

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Solution

The fourth proportional to 84,612.20, 116,528.10 and 82,775.48 is: 113,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,612.20 : 116,528.10 = 82,775.48 : x
  2. Step 2: Convert to fraction form
    84,612.20/116,528.10 = 82,775.48/x
  3. Step 3: Cross multiply
    84,612.20x = 116,528.10 × 82,775.48
  4. Step 4: Simplify right side
    84,612.20x = 9,645,669,410.99
  5. Step 5: Solve for x
    x = 9,645,669,410.99/84,612.20
  6. Step 6: Final answer
    x = 113,998.57

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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.