Home / 96,855.80-145,283.49-25,778.45

Finding the Fourth Proportional to 96,855.80, 145,283.49 and 25,778.45

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Solution

The fourth proportional to 96,855.80, 145,283.49 and 25,778.45 is: 38,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,855.80 : 145,283.49 = 25,778.45 : x
  2. Step 2: Convert to fraction form
    96,855.80/145,283.49 = 25,778.45/x
  3. Step 3: Cross multiply
    96,855.80x = 145,283.49 × 25,778.45
  4. Step 4: Simplify right side
    96,855.80x = 3,745,183,546.00
  5. Step 5: Solve for x
    x = 3,745,183,546.00/96,855.80
  6. Step 6: Final answer
    x = 38,667.62

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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.