Home / 79,416.20-109,586.30-47,584.28

Finding the Fourth Proportional to 79,416.20, 109,586.30 and 47,584.28

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Solution

The fourth proportional to 79,416.20, 109,586.30 and 47,584.28 is: 65,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,416.20 : 109,586.30 = 47,584.28 : x
  2. Step 2: Convert to fraction form
    79,416.20/109,586.30 = 47,584.28/x
  3. Step 3: Cross multiply
    79,416.20x = 109,586.30 × 47,584.28
  4. Step 4: Simplify right side
    79,416.20x = 5,214,585,183.36
  5. Step 5: Solve for x
    x = 5,214,585,183.36/79,416.20
  6. Step 6: Final answer
    x = 65,661.48

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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.