Home / 75,110-103,653.96-41,578.16

Finding the Fourth Proportional to 75,110, 103,653.96 and 41,578.16

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Solution

The fourth proportional to 75,110, 103,653.96 and 41,578.16 is: 57,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110 : 103,653.96 = 41,578.16 : x
  2. Step 2: Convert to fraction form
    75,110/103,653.96 = 41,578.16/x
  3. Step 3: Cross multiply
    75,110x = 103,653.96 × 41,578.16
  4. Step 4: Simplify right side
    75,110x = 4,309,740,933.51
  5. Step 5: Solve for x
    x = 4,309,740,933.51/75,110
  6. Step 6: Final answer
    x = 57,379.06

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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.