Home / 56,731.24-85,109.50-17,291.42

Finding the Fourth Proportional to 56,731.24, 85,109.50 and 17,291.42

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Solution

The fourth proportional to 56,731.24, 85,109.50 and 17,291.42 is: 25,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.24 : 85,109.50 = 17,291.42 : x
  2. Step 2: Convert to fraction form
    56,731.24/85,109.50 = 17,291.42/x
  3. Step 3: Cross multiply
    56,731.24x = 85,109.50 × 17,291.42
  4. Step 4: Simplify right side
    56,731.24x = 1,471,664,431.51
  5. Step 5: Solve for x
    x = 1,471,664,431.51/56,731.24
  6. Step 6: Final answer
    x = 25,940.99

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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.