Home / 56,703.90-85,057.25-27,124.86

Finding the Fourth Proportional to 56,703.90, 85,057.25 and 27,124.86

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Solution

The fourth proportional to 56,703.90, 85,057.25 and 27,124.86 is: 40,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,703.90 : 85,057.25 = 27,124.86 : x
  2. Step 2: Convert to fraction form
    56,703.90/85,057.25 = 27,124.86/x
  3. Step 3: Cross multiply
    56,703.90x = 85,057.25 × 27,124.86
  4. Step 4: Simplify right side
    56,703.90x = 2,307,165,998.24
  5. Step 5: Solve for x
    x = 2,307,165,998.24/56,703.90
  6. Step 6: Final answer
    x = 40,687.96

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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.