Home / 125,975.98-188,962.79-51,078.33

Finding the Fourth Proportional to 125,975.98, 188,962.79 and 51,078.33

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Solution

The fourth proportional to 125,975.98, 188,962.79 and 51,078.33 is: 76,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,975.98 : 188,962.79 = 51,078.33 : x
  2. Step 2: Convert to fraction form
    125,975.98/188,962.79 = 51,078.33/x
  3. Step 3: Cross multiply
    125,975.98x = 188,962.79 × 51,078.33
  4. Step 4: Simplify right side
    125,975.98x = 9,651,902,800.53
  5. Step 5: Solve for x
    x = 9,651,902,800.53/125,975.98
  6. Step 6: Final answer
    x = 76,617.01

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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.