Home / 96,805.89-145,203.62-30,238.38

Finding the Fourth Proportional to 96,805.89, 145,203.62 and 30,238.38

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Solution

The fourth proportional to 96,805.89, 145,203.62 and 30,238.38 is: 45,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,805.89 : 145,203.62 = 30,238.38 : x
  2. Step 2: Convert to fraction form
    96,805.89/145,203.62 = 30,238.38/x
  3. Step 3: Cross multiply
    96,805.89x = 145,203.62 × 30,238.38
  4. Step 4: Simplify right side
    96,805.89x = 4,390,722,087.74
  5. Step 5: Solve for x
    x = 4,390,722,087.74/96,805.89
  6. Step 6: Final answer
    x = 45,355.94

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1.5x scale

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.