Home / 57,320.75-85,922.79-53,077.97

Finding the Fourth Proportional to 57,320.75, 85,922.79 and 53,077.97

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Solution

The fourth proportional to 57,320.75, 85,922.79 and 53,077.97 is: 79,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.75 : 85,922.79 = 53,077.97 : x
  2. Step 2: Convert to fraction form
    57,320.75/85,922.79 = 53,077.97/x
  3. Step 3: Cross multiply
    57,320.75x = 85,922.79 × 53,077.97
  4. Step 4: Simplify right side
    57,320.75x = 4,560,606,840.32
  5. Step 5: Solve for x
    x = 4,560,606,840.32/57,320.75
  6. Step 6: Final answer
    x = 79,562.94

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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.