Home / 57,540.34-79,384.18-57,451.64

Finding the Fourth Proportional to 57,540.34, 79,384.18 and 57,451.64

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Solution

The fourth proportional to 57,540.34, 79,384.18 and 57,451.64 is: 79,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,540.34 : 79,384.18 = 57,451.64 : x
  2. Step 2: Convert to fraction form
    57,540.34/79,384.18 = 57,451.64/x
  3. Step 3: Cross multiply
    57,540.34x = 79,384.18 × 57,451.64
  4. Step 4: Simplify right side
    57,540.34x = 4,560,751,331.06
  5. Step 5: Solve for x
    x = 4,560,751,331.06/57,540.34
  6. Step 6: Final answer
    x = 79,261.81

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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.