Home / 82,445.92-113,882.14-60,979.30

Finding the Fourth Proportional to 82,445.92, 113,882.14 and 60,979.30

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Solution

The fourth proportional to 82,445.92, 113,882.14 and 60,979.30 is: 84,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.92 : 113,882.14 = 60,979.30 : x
  2. Step 2: Convert to fraction form
    82,445.92/113,882.14 = 60,979.30/x
  3. Step 3: Cross multiply
    82,445.92x = 113,882.14 × 60,979.30
  4. Step 4: Simplify right side
    82,445.92x = 6,944,453,179.70
  5. Step 5: Solve for x
    x = 6,944,453,179.70/82,445.92
  6. Step 6: Final answer
    x = 84,230.40

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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.