Home / 61,610.20-92,285.70-51,242.20

Finding the Fourth Proportional to 61,610.20, 92,285.70 and 51,242.20

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Solution

The fourth proportional to 61,610.20, 92,285.70 and 51,242.20 is: 76,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,610.20 : 92,285.70 = 51,242.20 : x
  2. Step 2: Convert to fraction form
    61,610.20/92,285.70 = 51,242.20/x
  3. Step 3: Cross multiply
    61,610.20x = 92,285.70 × 51,242.20
  4. Step 4: Simplify right side
    61,610.20x = 4,728,922,296.54
  5. Step 5: Solve for x
    x = 4,728,922,296.54/61,610.20
  6. Step 6: Final answer
    x = 76,755.51

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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.