Home / 69,395.07-95,764.86-39,180.09

Finding the Fourth Proportional to 69,395.07, 95,764.86 and 39,180.09

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Solution

The fourth proportional to 69,395.07, 95,764.86 and 39,180.09 is: 54,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,395.07 : 95,764.86 = 39,180.09 : x
  2. Step 2: Convert to fraction form
    69,395.07/95,764.86 = 39,180.09/x
  3. Step 3: Cross multiply
    69,395.07x = 95,764.86 × 39,180.09
  4. Step 4: Simplify right side
    69,395.07x = 3,752,075,833.64
  5. Step 5: Solve for x
    x = 3,752,075,833.64/69,395.07
  6. Step 6: Final answer
    x = 54,068.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.