Home / 57,231.10-85,846.65-54,315.10

Finding the Fourth Proportional to 57,231.10, 85,846.65 and 54,315.10

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Solution

The fourth proportional to 57,231.10, 85,846.65 and 54,315.10 is: 81,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,231.10 : 85,846.65 = 54,315.10 : x
  2. Step 2: Convert to fraction form
    57,231.10/85,846.65 = 54,315.10/x
  3. Step 3: Cross multiply
    57,231.10x = 85,846.65 × 54,315.10
  4. Step 4: Simplify right side
    57,231.10x = 4,662,769,379.42
  5. Step 5: Solve for x
    x = 4,662,769,379.42/57,231.10
  6. Step 6: Final answer
    x = 81,472.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.