Home / 96,961.06-145,441.59-30,406.55

Finding the Fourth Proportional to 96,961.06, 145,441.59 and 30,406.55

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Solution

The fourth proportional to 96,961.06, 145,441.59 and 30,406.55 is: 45,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,961.06 : 145,441.59 = 30,406.55 : x
  2. Step 2: Convert to fraction form
    96,961.06/145,441.59 = 30,406.55/x
  3. Step 3: Cross multiply
    96,961.06x = 145,441.59 × 30,406.55
  4. Step 4: Simplify right side
    96,961.06x = 4,422,376,978.41
  5. Step 5: Solve for x
    x = 4,422,376,978.41/96,961.06
  6. Step 6: Final answer
    x = 45,609.83

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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.