Home / 76,979.50-115,472.61-24,392.86

Finding the Fourth Proportional to 76,979.50, 115,472.61 and 24,392.86

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Solution

The fourth proportional to 76,979.50, 115,472.61 and 24,392.86 is: 36,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979.50 : 115,472.61 = 24,392.86 : x
  2. Step 2: Convert to fraction form
    76,979.50/115,472.61 = 24,392.86/x
  3. Step 3: Cross multiply
    76,979.50x = 115,472.61 × 24,392.86
  4. Step 4: Simplify right side
    76,979.50x = 2,816,707,209.56
  5. Step 5: Solve for x
    x = 2,816,707,209.56/76,979.50
  6. Step 6: Final answer
    x = 36,590.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.