Home / 125,342.46-187,958.34-58,728.78

Finding the Fourth Proportional to 125,342.46, 187,958.34 and 58,728.78

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Solution

The fourth proportional to 125,342.46, 187,958.34 and 58,728.78 is: 88,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,342.46 : 187,958.34 = 58,728.78 : x
  2. Step 2: Convert to fraction form
    125,342.46/187,958.34 = 58,728.78/x
  3. Step 3: Cross multiply
    125,342.46x = 187,958.34 × 58,728.78
  4. Step 4: Simplify right side
    125,342.46x = 11,038,563,999.03
  5. Step 5: Solve for x
    x = 11,038,563,999.03/125,342.46
  6. Step 6: Final answer
    x = 88,067.24

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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.