Home / 95,423.70-143,135.55-53,433.30

Finding the Fourth Proportional to 95,423.70, 143,135.55 and 53,433.30

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Solution

The fourth proportional to 95,423.70, 143,135.55 and 53,433.30 is: 80,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,423.70 : 143,135.55 = 53,433.30 : x
  2. Step 2: Convert to fraction form
    95,423.70/143,135.55 = 53,433.30/x
  3. Step 3: Cross multiply
    95,423.70x = 143,135.55 × 53,433.30
  4. Step 4: Simplify right side
    95,423.70x = 7,648,204,783.82
  5. Step 5: Solve for x
    x = 7,648,204,783.82/95,423.70
  6. Step 6: Final answer
    x = 80,149.95

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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.