Home / 83,579.68-115,336.20-45,853.12

Finding the Fourth Proportional to 83,579.68, 115,336.20 and 45,853.12

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Solution

The fourth proportional to 83,579.68, 115,336.20 and 45,853.12 is: 63,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,579.68 : 115,336.20 = 45,853.12 : x
  2. Step 2: Convert to fraction form
    83,579.68/115,336.20 = 45,853.12/x
  3. Step 3: Cross multiply
    83,579.68x = 115,336.20 × 45,853.12
  4. Step 4: Simplify right side
    83,579.68x = 5,288,524,618.94
  5. Step 5: Solve for x
    x = 5,288,524,618.94/83,579.68
  6. Step 6: Final answer
    x = 63,275.24

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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.