Home / 125,834.01-188,816.67-51,009.45

Finding the Fourth Proportional to 125,834.01, 188,816.67 and 51,009.45

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Solution

The fourth proportional to 125,834.01, 188,816.67 and 51,009.45 is: 76,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,834.01 : 188,816.67 = 51,009.45 : x
  2. Step 2: Convert to fraction form
    125,834.01/188,816.67 = 51,009.45/x
  3. Step 3: Cross multiply
    125,834.01x = 188,816.67 × 51,009.45
  4. Step 4: Simplify right side
    125,834.01x = 9,631,434,487.53
  5. Step 5: Solve for x
    x = 9,631,434,487.53/125,834.01
  6. Step 6: Final answer
    x = 76,540.79

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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.