Home / 97,720.14-146,588.43-31,169.73

Finding the Fourth Proportional to 97,720.14, 146,588.43 and 31,169.73

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Solution

The fourth proportional to 97,720.14, 146,588.43 and 31,169.73 is: 46,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,720.14 : 146,588.43 = 31,169.73 : x
  2. Step 2: Convert to fraction form
    97,720.14/146,588.43 = 31,169.73/x
  3. Step 3: Cross multiply
    97,720.14x = 146,588.43 × 31,169.73
  4. Step 4: Simplify right side
    97,720.14x = 4,569,121,784.22
  5. Step 5: Solve for x
    x = 4,569,121,784.22/97,720.14
  6. Step 6: Final answer
    x = 46,757.22

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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.