Home / 57,291.26-85,936.55-31,162.07

Finding the Fourth Proportional to 57,291.26, 85,936.55 and 31,162.07

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Solution

The fourth proportional to 57,291.26, 85,936.55 and 31,162.07 is: 46,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.26 : 85,936.55 = 31,162.07 : x
  2. Step 2: Convert to fraction form
    57,291.26/85,936.55 = 31,162.07/x
  3. Step 3: Cross multiply
    57,291.26x = 85,936.55 × 31,162.07
  4. Step 4: Simplify right side
    57,291.26x = 2,677,960,845.69
  5. Step 5: Solve for x
    x = 2,677,960,845.69/57,291.26
  6. Step 6: Final answer
    x = 46,742.93

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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.