Home / 79,416.34-109,589.60-43,606.18

Finding the Fourth Proportional to 79,416.34, 109,589.60 and 43,606.18

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Solution

The fourth proportional to 79,416.34, 109,589.60 and 43,606.18 is: 60,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,416.34 : 109,589.60 = 43,606.18 : x
  2. Step 2: Convert to fraction form
    79,416.34/109,589.60 = 43,606.18/x
  3. Step 3: Cross multiply
    79,416.34x = 109,589.60 × 43,606.18
  4. Step 4: Simplify right side
    79,416.34x = 4,778,783,823.73
  5. Step 5: Solve for x
    x = 4,778,783,823.73/79,416.34
  6. Step 6: Final answer
    x = 60,173.81

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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.