Home / 79,423.64-109,599.19-43,615.97

Finding the Fourth Proportional to 79,423.64, 109,599.19 and 43,615.97

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Solution

The fourth proportional to 79,423.64, 109,599.19 and 43,615.97 is: 60,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,423.64 : 109,599.19 = 43,615.97 : x
  2. Step 2: Convert to fraction form
    79,423.64/109,599.19 = 43,615.97/x
  3. Step 3: Cross multiply
    79,423.64x = 109,599.19 × 43,615.97
  4. Step 4: Simplify right side
    79,423.64x = 4,780,274,983.06
  5. Step 5: Solve for x
    x = 4,780,274,983.06/79,423.64
  6. Step 6: Final answer
    x = 60,187.05

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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.