Home / 75,779.74-104,582.01-41,791.33

Finding the Fourth Proportional to 75,779.74, 104,582.01 and 41,791.33

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Solution

The fourth proportional to 75,779.74, 104,582.01 and 41,791.33 is: 57,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,779.74 : 104,582.01 = 41,791.33 : x
  2. Step 2: Convert to fraction form
    75,779.74/104,582.01 = 41,791.33/x
  3. Step 3: Cross multiply
    75,779.74x = 104,582.01 × 41,791.33
  4. Step 4: Simplify right side
    75,779.74x = 4,370,621,396.71
  5. Step 5: Solve for x
    x = 4,370,621,396.71/75,779.74
  6. Step 6: Final answer
    x = 57,675.33

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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.