Home / 125,687.16-188,667.36-50,858.82

Finding the Fourth Proportional to 125,687.16, 188,667.36 and 50,858.82

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Solution

The fourth proportional to 125,687.16, 188,667.36 and 50,858.82 is: 76,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.16 : 188,667.36 = 50,858.82 : x
  2. Step 2: Convert to fraction form
    125,687.16/188,667.36 = 50,858.82/x
  3. Step 3: Cross multiply
    125,687.16x = 188,667.36 × 50,858.82
  4. Step 4: Simplify right side
    125,687.16x = 9,595,399,302.12
  5. Step 5: Solve for x
    x = 9,595,399,302.12/125,687.16
  6. Step 6: Final answer
    x = 76,343.51

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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.