Home / 67,979.08-93,836.39-58,380.42

Finding the Fourth Proportional to 67,979.08, 93,836.39 and 58,380.42

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Solution

The fourth proportional to 67,979.08, 93,836.39 and 58,380.42 is: 80,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.08 : 93,836.39 = 58,380.42 : x
  2. Step 2: Convert to fraction form
    67,979.08/93,836.39 = 58,380.42/x
  3. Step 3: Cross multiply
    67,979.08x = 93,836.39 × 58,380.42
  4. Step 4: Simplify right side
    67,979.08x = 5,478,207,859.48
  5. Step 5: Solve for x
    x = 5,478,207,859.48/67,979.08
  6. Step 6: Final answer
    x = 80,586.67

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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.