Home / 125,054.44-187,524.78-53,943.40

Finding the Fourth Proportional to 125,054.44, 187,524.78 and 53,943.40

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Solution

The fourth proportional to 125,054.44, 187,524.78 and 53,943.40 is: 80,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,054.44 : 187,524.78 = 53,943.40 : x
  2. Step 2: Convert to fraction form
    125,054.44/187,524.78 = 53,943.40/x
  3. Step 3: Cross multiply
    125,054.44x = 187,524.78 × 53,943.40
  4. Step 4: Simplify right side
    125,054.44x = 10,115,724,217.45
  5. Step 5: Solve for x
    x = 10,115,724,217.45/125,054.44
  6. Step 6: Final answer
    x = 80,890.56

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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.