Home / 77,551.15-106,993.33-50,709.37

Finding the Fourth Proportional to 77,551.15, 106,993.33 and 50,709.37

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Solution

The fourth proportional to 77,551.15, 106,993.33 and 50,709.37 is: 69,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,551.15 : 106,993.33 = 50,709.37 : x
  2. Step 2: Convert to fraction form
    77,551.15/106,993.33 = 50,709.37/x
  3. Step 3: Cross multiply
    77,551.15x = 106,993.33 × 50,709.37
  4. Step 4: Simplify right side
    77,551.15x = 5,425,563,964.25
  5. Step 5: Solve for x
    x = 5,425,563,964.25/77,551.15
  6. Step 6: Final answer
    x = 69,961.10

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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.