Home / 56,686.68-85,039.32-17,234.64

Finding the Fourth Proportional to 56,686.68, 85,039.32 and 17,234.64

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Solution

The fourth proportional to 56,686.68, 85,039.32 and 17,234.64 is: 25,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.68 : 85,039.32 = 17,234.64 : x
  2. Step 2: Convert to fraction form
    56,686.68/85,039.32 = 17,234.64/x
  3. Step 3: Cross multiply
    56,686.68x = 85,039.32 × 17,234.64
  4. Step 4: Simplify right side
    56,686.68x = 1,465,622,066.04
  5. Step 5: Solve for x
    x = 1,465,622,066.04/56,686.68
  6. Step 6: Final answer
    x = 25,854.79

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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.