Home / 96,960.58-145,440.88-30,406.52

Finding the Fourth Proportional to 96,960.58, 145,440.88 and 30,406.52

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Solution

The fourth proportional to 96,960.58, 145,440.88 and 30,406.52 is: 45,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,960.58 : 145,440.88 = 30,406.52 : x
  2. Step 2: Convert to fraction form
    96,960.58/145,440.88 = 30,406.52/x
  3. Step 3: Cross multiply
    96,960.58x = 145,440.88 × 30,406.52
  4. Step 4: Simplify right side
    96,960.58x = 4,422,351,314.12
  5. Step 5: Solve for x
    x = 4,422,351,314.12/96,960.58
  6. Step 6: Final answer
    x = 45,609.79

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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.