Home / 56,777.10-85,174.65-19,340.70

Finding the Fourth Proportional to 56,777.10, 85,174.65 and 19,340.70

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Solution

The fourth proportional to 56,777.10, 85,174.65 and 19,340.70 is: 29,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,777.10 : 85,174.65 = 19,340.70 : x
  2. Step 2: Convert to fraction form
    56,777.10/85,174.65 = 19,340.70/x
  3. Step 3: Cross multiply
    56,777.10x = 85,174.65 × 19,340.70
  4. Step 4: Simplify right side
    56,777.10x = 1,647,337,353.26
  5. Step 5: Solve for x
    x = 1,647,337,353.26/56,777.10
  6. Step 6: Final answer
    x = 29,014.12

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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.