Home / 91,580.08-137,383.89-32,416.33

Finding the Fourth Proportional to 91,580.08, 137,383.89 and 32,416.33

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Solution

The fourth proportional to 91,580.08, 137,383.89 and 32,416.33 is: 48,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,580.08 : 137,383.89 = 32,416.33 : x
  2. Step 2: Convert to fraction form
    91,580.08/137,383.89 = 32,416.33/x
  3. Step 3: Cross multiply
    91,580.08x = 137,383.89 × 32,416.33
  4. Step 4: Simplify right side
    91,580.08x = 4,453,481,514.92
  5. Step 5: Solve for x
    x = 4,453,481,514.92/91,580.08
  6. Step 6: Final answer
    x = 48,629.37

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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.