Home / 56,731.26-85,109.14-17,287.32

Finding the Fourth Proportional to 56,731.26, 85,109.14 and 17,287.32

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Solution

The fourth proportional to 56,731.26, 85,109.14 and 17,287.32 is: 25,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.26 : 85,109.14 = 17,287.32 : x
  2. Step 2: Convert to fraction form
    56,731.26/85,109.14 = 17,287.32/x
  3. Step 3: Cross multiply
    56,731.26x = 85,109.14 × 17,287.32
  4. Step 4: Simplify right side
    56,731.26x = 1,471,308,938.10
  5. Step 5: Solve for x
    x = 1,471,308,938.10/56,731.26
  6. Step 6: Final answer
    x = 25,934.71

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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.