Home / 56,677.75-85,019.66-17,231.87

Finding the Fourth Proportional to 56,677.75, 85,019.66 and 17,231.87

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Solution

The fourth proportional to 56,677.75, 85,019.66 and 17,231.87 is: 25,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,677.75 : 85,019.66 = 17,231.87 : x
  2. Step 2: Convert to fraction form
    56,677.75/85,019.66 = 17,231.87/x
  3. Step 3: Cross multiply
    56,677.75x = 85,019.66 × 17,231.87
  4. Step 4: Simplify right side
    56,677.75x = 1,465,047,728.56
  5. Step 5: Solve for x
    x = 1,465,047,728.56/56,677.75
  6. Step 6: Final answer
    x = 25,848.73

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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.