Home / 50,905.72-76,360.98-42,004.54

Finding the Fourth Proportional to 50,905.72, 76,360.98 and 42,004.54

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Solution

The fourth proportional to 50,905.72, 76,360.98 and 42,004.54 is: 63,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.72 : 76,360.98 = 42,004.54 : x
  2. Step 2: Convert to fraction form
    50,905.72/76,360.98 = 42,004.54/x
  3. Step 3: Cross multiply
    50,905.72x = 76,360.98 × 42,004.54
  4. Step 4: Simplify right side
    50,905.72x = 3,207,507,838.85
  5. Step 5: Solve for x
    x = 3,207,507,838.85/50,905.72
  6. Step 6: Final answer
    x = 63,008.79

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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.