Home / 57,006.37-78,690.99-51,027.69

Finding the Fourth Proportional to 57,006.37, 78,690.99 and 51,027.69

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Solution

The fourth proportional to 57,006.37, 78,690.99 and 51,027.69 is: 70,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006.37 : 78,690.99 = 51,027.69 : x
  2. Step 2: Convert to fraction form
    57,006.37/78,690.99 = 51,027.69/x
  3. Step 3: Cross multiply
    57,006.37x = 78,690.99 × 51,027.69
  4. Step 4: Simplify right side
    57,006.37x = 4,015,419,443.51
  5. Step 5: Solve for x
    x = 4,015,419,443.51/57,006.37
  6. Step 6: Final answer
    x = 70,438.08

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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.