Home / 57,050.83-78,810.68-51,937.81

Finding the Fourth Proportional to 57,050.83, 78,810.68 and 51,937.81

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Solution

The fourth proportional to 57,050.83, 78,810.68 and 51,937.81 is: 71,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.83 : 78,810.68 = 51,937.81 : x
  2. Step 2: Convert to fraction form
    57,050.83/78,810.68 = 51,937.81/x
  3. Step 3: Cross multiply
    57,050.83x = 78,810.68 × 51,937.81
  4. Step 4: Simplify right side
    57,050.83x = 4,093,253,796.94
  5. Step 5: Solve for x
    x = 4,093,253,796.94/57,050.83
  6. Step 6: Final answer
    x = 71,747.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.