Home / 57,271.56-85,872.81-25,675.91

Finding the Fourth Proportional to 57,271.56, 85,872.81 and 25,675.91

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Solution

The fourth proportional to 57,271.56, 85,872.81 and 25,675.91 is: 38,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.56 : 85,872.81 = 25,675.91 : x
  2. Step 2: Convert to fraction form
    57,271.56/85,872.81 = 25,675.91/x
  3. Step 3: Cross multiply
    57,271.56x = 85,872.81 × 25,675.91
  4. Step 4: Simplify right side
    57,271.56x = 2,204,862,529.95
  5. Step 5: Solve for x
    x = 2,204,862,529.95/57,271.56
  6. Step 6: Final answer
    x = 38,498.38

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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.