Home / 50,752.72-76,216.20-31,146.40

Finding the Fourth Proportional to 50,752.72, 76,216.20 and 31,146.40

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Solution

The fourth proportional to 50,752.72, 76,216.20 and 31,146.40 is: 46,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,752.72 : 76,216.20 = 31,146.40 : x
  2. Step 2: Convert to fraction form
    50,752.72/76,216.20 = 31,146.40/x
  3. Step 3: Cross multiply
    50,752.72x = 76,216.20 × 31,146.40
  4. Step 4: Simplify right side
    50,752.72x = 2,373,860,251.68
  5. Step 5: Solve for x
    x = 2,373,860,251.68/50,752.72
  6. Step 6: Final answer
    x = 46,773.06

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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.