Home / 136,738.01-205,081.05-57,907.58

Finding the Fourth Proportional to 136,738.01, 205,081.05 and 57,907.58

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Solution

The fourth proportional to 136,738.01, 205,081.05 and 57,907.58 is: 86,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,738.01 : 205,081.05 = 57,907.58 : x
  2. Step 2: Convert to fraction form
    136,738.01/205,081.05 = 57,907.58/x
  3. Step 3: Cross multiply
    136,738.01x = 205,081.05 × 57,907.58
  4. Step 4: Simplify right side
    136,738.01x = 11,875,747,309.36
  5. Step 5: Solve for x
    x = 11,875,747,309.36/136,738.01
  6. Step 6: Final answer
    x = 86,850.37

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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.