Home / 79,589.21-109,818.45-47,334.60

Finding the Fourth Proportional to 79,589.21, 109,818.45 and 47,334.60

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Solution

The fourth proportional to 79,589.21, 109,818.45 and 47,334.60 is: 65,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,589.21 : 109,818.45 = 47,334.60 : x
  2. Step 2: Convert to fraction form
    79,589.21/109,818.45 = 47,334.60/x
  3. Step 3: Cross multiply
    79,589.21x = 109,818.45 × 47,334.60
  4. Step 4: Simplify right side
    79,589.21x = 5,198,212,403.37
  5. Step 5: Solve for x
    x = 5,198,212,403.37/79,589.21
  6. Step 6: Final answer
    x = 65,313.03

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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.