Home / 51,216.48-76,669.20-49,505.76

Finding the Fourth Proportional to 51,216.48, 76,669.20 and 49,505.76

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Solution

The fourth proportional to 51,216.48, 76,669.20 and 49,505.76 is: 74,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.48 : 76,669.20 = 49,505.76 : x
  2. Step 2: Convert to fraction form
    51,216.48/76,669.20 = 49,505.76/x
  3. Step 3: Cross multiply
    51,216.48x = 76,669.20 × 49,505.76
  4. Step 4: Simplify right side
    51,216.48x = 3,795,567,014.59
  5. Step 5: Solve for x
    x = 3,795,567,014.59/51,216.48
  6. Step 6: Final answer
    x = 74,108.31

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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.