Home / 76,204.38-105,213.39-47,567.64

Finding the Fourth Proportional to 76,204.38, 105,213.39 and 47,567.64

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Solution

The fourth proportional to 76,204.38, 105,213.39 and 47,567.64 is: 65,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,204.38 : 105,213.39 = 47,567.64 : x
  2. Step 2: Convert to fraction form
    76,204.38/105,213.39 = 47,567.64/x
  3. Step 3: Cross multiply
    76,204.38x = 105,213.39 × 47,567.64
  4. Step 4: Simplify right side
    76,204.38x = 5,004,752,658.70
  5. Step 5: Solve for x
    x = 5,004,752,658.70/76,204.38
  6. Step 6: Final answer
    x = 65,675.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.