Home / 56,783.79-85,183.92-17,335.78

Finding the Fourth Proportional to 56,783.79, 85,183.92 and 17,335.78

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Solution

The fourth proportional to 56,783.79, 85,183.92 and 17,335.78 is: 26,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783.79 : 85,183.92 = 17,335.78 : x
  2. Step 2: Convert to fraction form
    56,783.79/85,183.92 = 17,335.78/x
  3. Step 3: Cross multiply
    56,783.79x = 85,183.92 × 17,335.78
  4. Step 4: Simplify right side
    56,783.79x = 1,476,729,696.66
  5. Step 5: Solve for x
    x = 1,476,729,696.66/56,783.79
  6. Step 6: Final answer
    x = 26,006.18

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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.