Home / 56,818.96-85,186.44-19,369.12

Finding the Fourth Proportional to 56,818.96, 85,186.44 and 19,369.12

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Solution

The fourth proportional to 56,818.96, 85,186.44 and 19,369.12 is: 29,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.96 : 85,186.44 = 19,369.12 : x
  2. Step 2: Convert to fraction form
    56,818.96/85,186.44 = 19,369.12/x
  3. Step 3: Cross multiply
    56,818.96x = 85,186.44 × 19,369.12
  4. Step 4: Simplify right side
    56,818.96x = 1,649,986,378.73
  5. Step 5: Solve for x
    x = 1,649,986,378.73/56,818.96
  6. Step 6: Final answer
    x = 29,039.36

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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.