Home / 57,381.92-85,496.14-54,158.96

Finding the Fourth Proportional to 57,381.92, 85,496.14 and 54,158.96

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Solution

The fourth proportional to 57,381.92, 85,496.14 and 54,158.96 is: 80,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,381.92 : 85,496.14 = 54,158.96 : x
  2. Step 2: Convert to fraction form
    57,381.92/85,496.14 = 54,158.96/x
  3. Step 3: Cross multiply
    57,381.92x = 85,496.14 × 54,158.96
  4. Step 4: Simplify right side
    57,381.92x = 4,630,382,026.41
  5. Step 5: Solve for x
    x = 4,630,382,026.41/57,381.92
  6. Step 6: Final answer
    x = 80,694.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.