Home / 57,267.40-85,789.22-39,456.04

Finding the Fourth Proportional to 57,267.40, 85,789.22 and 39,456.04

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Solution

The fourth proportional to 57,267.40, 85,789.22 and 39,456.04 is: 59,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267.40 : 85,789.22 = 39,456.04 : x
  2. Step 2: Convert to fraction form
    57,267.40/85,789.22 = 39,456.04/x
  3. Step 3: Cross multiply
    57,267.40x = 85,789.22 × 39,456.04
  4. Step 4: Simplify right side
    57,267.40x = 3,384,902,895.89
  5. Step 5: Solve for x
    x = 3,384,902,895.89/57,267.40
  6. Step 6: Final answer
    x = 59,106.98

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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.